# Physics Practice Test 5

Entry test contains most of the Physics MCQs. FSC Part 2 Physics book MCQs. HSSC Physics questions MCQs. Solved Chapterwise Physics MCQs for first-year 12 class MCQs and 11 class MCQs. Second-year and first-year Physics textbooks chapter-wise MCQs with the answer are provided here. The physics portion is helpful in MDCAT , ECAT , NTS NAT , and NUST NET . PakLearningSpot PLS MCQs Bank website for FREE Entry test preparations

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Physics Practice Test 5

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Category: Physics Ch 13 Class 12

A battery has an e.m.f of 6.0 volts and an internal resistance of 0.4 ohms. It is connected to a 2.6 ohms resistor through a SPST (single pole, single throw switch).

When the switch is open, the potential difference between the terminal of the battery is:

NTS 2010
Physics
Current Electricity
Elimination Tool:

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Category: Physics Ch 17 Class 12

To determine Young’s modulus of a material of a given wire of length ? we use:

ETEA 2018
Physics
Physics of Solids
Elimination Tool:

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Category: Physics Ch 16 Class 12

If a half wave rectifier is used to convert 50Hz AC into DC, then the number of pulses present in rectified voltage is:

PMC Sample 1
Physics
Alternating Current
Elimination Tool:

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Category: Physics Ch 7 Class 11

A pendulum is placed at Lahore, Murree, and K2. At which location will the frequency of Pendulum be maximum?

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Category: Physics Ch 15 Class 12

Which of the following statements is True about the A.0 and D.0 Generators?

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Category: Physics

Q.165 A transformer steps down from 200) to 50 V:It has secondary winding = 40 curns then windings in primary coil are

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Category: Physics Ch 16 Class 12

A half wave rectifier is operating from 50 Hz mains, fundamental frequency of ripple will be

PMC Sample 3
Physics
Alternating Current
Elimination Tool:

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Category: Physics Ch 18 Class 12

When semi-conductors dopped In
then they are p-type

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Category: Physics Ch 4 Class 11

Upon signal of starting the race, the athlete starts from rest with a constant acceleration of 8 m/s2. At the same time, a cyclist traveling with a constant speed of 72 km/h passes the athlete. How far beyond the starting point will the athlete overtake the cyclist and what will be the speed of the athlete at the time when it overtakes the cyclist respectively?

NTS 2016 DUHS & JSMU
Physics
Motion in Two Dimensions
Elimination Tool:

10 / 100

Category: Physics Ch 20 Class 12

The wavenumber of a photon in Brackett series is 9/400 R then electron transited from orbit with the quantum number:

PMC Sample 2
Physics
Atomic Spectra
Elimination Tool:

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Category: Physics Ch 5 Class 11

If M and m represent the mass of Earth and mass of a satellite respectively; then the orbital speed v of satellite in a circular orbit of radius r around Earth will be:

NUMS 2019 Cancelled
Physics
Gravitation
Elimination Tool:

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Category: Physics Ch 16 Class 12

A diode works in _______ bias for rectification.

PMC Practice 6
Physics
Alternating Current
Elimination Tool:

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Category: Physics Ch 19 Class 12

Photoelectric effect is not produced by:

PMC 2021 Tested
Physics
Dawn of Modern Physics
Elimination Tool:

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Category: Physics Ch 9 Class 11

In an astronomical telescope, the distance between the objective and eyepiece is called:

NTS 2013
Physics
Optics, Nature of Light and Optical Instruments
Elimination Tool:

15 / 100

Category: Physics Ch 14 Class 12

The SI unit of magnetic flux is Weber which is equivalent to:

NUMS 2019 Reconduct
Physics
Magnetism and Electromagnetic Induction
Elimination Tool:

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Category: Physics Ch 21 Class 12

A factory buys 100 kg of a radioactive chemical with a half-life of 5 years which decays to a stable compound. How much of the chemical will still be radioactive in 10 years time.

NUMS 2017
Physics
Nuclear Physics
Elimination Tool:

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Category: Physics Ch 4 Class 11

A bomb is dropped from an airplane moving horizontally with a speed of 200 km/h. If the air resistance is negligible, the bomb will reach the ground in 5 s, the altitude of the plane approximately is: (g = 9.8 m/s2)

NTS 2016 SMBBMC
Physics
Motion in Two Dimensions
Elimination Tool:

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Category: Physics Ch 10 Class 11

If a convex lens of large aperture fails to converge the light rays incident on it to a single point, it is said to
suffer form

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Category: Physics Ch 4 Class 11

When the output power equals to one-half of the input power, efficiency of the transformer becomes:

NUMS 2015
Physics
Work, Power and Energy
Elimination Tool:

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Category: Physics Ch 9 Class 11

In Young’s Experiment, the central spot In Interference pattern is

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Category: Physics Ch 8 Class 11

How many types of modulations are possible with sinusoidal carrier?

NTS 2016 SMBBMC
Physics
Wave Motion and Sound
Elimination Tool:

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Category: Physics Ch 19 Class 12

A photosensitive material would emit electrons if it is excited by a photon beyond a threshold. To cross the threshold, what should be increased?

PMC 2021 Tested
Physics
Dawn of Modern Physics
Elimination Tool:

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Category: Physics Ch 15 Class 12

The wave in which crest and trough superimpose each other is ?

PMC 2021 Tested
Physics
Electromagnetic Waves
Elimination Tool:

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Category: Physics Ch 12 Class 12

Ohm multiplied by farad is equivalent to:

PMC 2020
Physics
Electrostatics
Elimination Tool:

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Category: Physics Ch 9 Class 11

In an experiment, an object was placed on the principal axis of a convex lens 25 centimetres away from the lens. A real image 4 times the size of the object was obtained. The focal length of the lens is:

NTS 2017
Physics
Optics, Nature of Light and Optical Instruments
Elimination Tool:

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Category: Physics Ch 12 Class 12

Flux passing through an area does not depend upon

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Category: Physics Ch 18 Class 12

The width of depletion region Increases due to:

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Category: Physics Ch 5 Class 11

On the ground, the gravitational force on a satellite is W. What is the gravitational force on the satellite when at a height R/50, where R is the radius of the Earth?

NTS 2013
Physics
Gravitation
Elimination Tool:

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Category: Physics Ch 11 Class 11

“At constant pressure, the volume of gas is directly proportional to Absolute Temperature” this is known as?

NTS 2015 SMBBMC
Physics
Heat and Thermodynamics
Elimination Tool:

30 / 100

Category: Physics Ch 3 Class 11

A person has to cover a distance of 6 km in 45 minutes. If he covers one-half of the distance in two-thirds of the total time; to cover the remaining distance in the remaining time his speed (in km/hr) must be:

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Category: Physics Ch 1 Class 11

Least count of micrometer screw gauge is

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Category: Physics

The energy supplied by the cell to the charge carriers is derived from the conversion of:

NUMS Mock 1
Physics
Current Electricity

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Category: Physics Ch 15 Class 12

Characteristic x-rays are produced by:

PMC 2021 Tested
Physics
Electromagnetic Waves
Elimination Tool:

34 / 100

Category: Physics

Center of gravity of a cup Iles

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Category: Physics Ch 4 Class 11

A/An _____ is that in which the momentum of the system as well as the kinetic energy of the system before and after the collision is conserved i.e. remains the same.

NTS 2016 SMBBMC
Physics
Work, Power and Energy
Elimination Tool:

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Category: Physics

Q.129 What is the relationship between Power, Current and Resistance?

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Category: Physics

Q.136 First law of thermodynamics is special case of

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Category: Physics Ch 10 Class 11

In a double slit experiment, two slits are 0.2 mm apart with a screen at a distance of 1m. The third bright fringe is found to be displaced at a distance of 7.5 mm from the central fringe. What is the value of the wavelength?

NUMS 2019 Cancelled
Physics
Optics, Nature of Light and Optical Instruments
Elimination Tool:

39 / 100

Category: Physics Ch 6 Class 11

What is dimension of coefficient of viscosity?

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Category: Physics Ch 14 Class 12

Ammeter lies in

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Category: Physics Ch 20 Class 12

When describing the isotopes of the same element, the most accurate statement is that they have:

NTS 2017
Physics
Atomic Spectra
Elimination Tool:

42 / 100

Category: Physics

Which one of the following properties is not exhibited by the longitudinal waves?

NUMS Mock 4
Physics
Wave Motion and Sound

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Category: Physics Ch 9 Class 11

When light enters from air to glass remains constant?

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Category: Physics

Q.164 Heat given to an ideal gas under isothermal conditions is used

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Category: Physics Ch 11 Class 11

Bimetallic thermostat is an example of:

NTS 2018
Physics
Heat and Thermodynamics
Elimination Tool:

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Category: Physics Ch 1 Class 11

Electric charge on an object is measured as 5 microcoulombs. How the value of this charge can be expressed in terms of base units:

UHS 2012
Physics
Measurements
Elimination Tool:

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Category: Physics Ch 14 Class 12

Due to the magnetic force, a positively charged particle executes uniform circular motion within a uniform magnetic field ‘B’. If the charge is ‘q’ and radius of its path is r, which of the expressions gives the magnitude of the particle’s linear momentum:

NTS 2010
Physics
Magnetism and Electromagnetic Induction
Elimination Tool:

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Category: Physics Ch 3 Class 11

A ball falls vertically and bounces on the ground. The following statements are about the forces acting while the ball is in contact with the ground. Which statement is correct?

NTS 2017
Physics
Forces and Motion
Elimination Tool:

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Category: Physics Ch 21 Class 12

The half-life of C14 is about:

NTS 2012
Physics
Nuclear Physics
Elimination Tool:

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Category: Physics Ch 1 Class 11

Which of the following is not a base unit in the SI system?

NTS 2016 SMBBMC
Physics
Measurements
Elimination Tool:

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Category: Physics Ch 2 Class 11

The acceleration is a _____.

PMC Practice 6
Physics
Scalars and Vectors
Elimination Tool:

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Category: Physics Ch 3 Class 11

A block of mass 50 kg is pulled on a frictionless floor by a force of 210 N directed at 30 degrees to the horizontal. If the block moves 3.0 m, what is the work done on it by the applied force?

NTS 2013
Physics
Forces and Motion
Elimination Tool:

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Category: Physics

The total energy of a block, executing simple harmonic motion is:

NUMS Mock 1
Physics
Oscillations and Simple Harmonic Motion

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Category: Physics Ch 7 Class 11

If the value of g is made g/16, what will be the effect on time period of pendulum?

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Category: Physics Ch 14 Class 12

Weber x ampere per meter is equal to:

NUMS 2016
Physics
Magnetism and Electromagnetic Induction
Elimination Tool:

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Category: Physics Ch 2 Class 11

Two vectors S and R are such that S= 4, R= 6 and S.R= 13.5. Find the angle between S and R.

NTS 2015 SMBBMC
Physics
Scalars and Vectors
Elimination Tool:

57 / 100

Category: Physics Ch 5 Class 11

A 1000 kg vehicle is turning around a corner at 10 m/s as it travels along an arc of a circle. If the radius of the circular path is 10 m, how large a force must be exerted by the pavement on the tires to hold the vehicle in the circular path?

NTS 2015 DUHS and JSMU
Physics
Circular Motion and Momentum
Elimination Tool:

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Category: Physics

Q.100 If the instantaneous current in a circuit is given by I=A sin (wt) ampere, the rms value of the current is:

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Category: Physics Ch 15 Class 12

An electromagnetic wave travels in a straight line through a vacuum. The wave has a frequency of 6.0 THz. What is the number of wavelengths in a distance of 1.0 m along the wave?

ETEA 2018
Physics
Electromagnetic Waves
Elimination Tool:

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Category: Physics Ch 9 Class 11

An object placed in front of a concave mirror at a distance of X cm from the pole gives a 3 times magnified real image. If it is moved a distance of X+5cm, the magnification of the image becomes 2. The focal length of the mirror is:

NUMS 2014
Physics
Optics, Nature of Light and Optical Instruments
Elimination Tool:

61 / 100

Category: Physics

In a half wave rectifier, the diode conducts during:

NUMS Mock 1
Physics
Electronics

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Category: Physics Ch 18 Class 12

A cable 4 km long and of total resistance 1 Ohm carries electric current from a generator producing 100kW at 10,000 Volts. The current in amperes in the cable is:

PMC Practice 5
Physics
Electronics
Elimination Tool:

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Category: Physics Ch 7 Class 11

What will be the time period of pendulum if length becomes S times and g becomes 1/5 times at some height from the earth?

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Category: Physics Ch 19 Class 12

Anti matter theory was proposed by: a) Einstein b) Bohr

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Category: Physics

If the temperature is increased from 200K to 800K, then what would be the change in pressure at constant volume?

NUMS Mock 2
Physics
Heat and Thermodynamics

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Category: Physics Ch 2 Class 11

Evaluate the scalar product of the following: k.( i + j) ?

NTS 2015 SMBBMC
Physics
Scalars and Vectors
Elimination Tool:

67 / 100

Category: Physics Ch 18 Class 12

A logic gate has four inputs. Its possible input combinations will be:

NUMS 2015
Physics
Electronics
Elimination Tool:

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Category: Physics Ch 2 Class 11

Vector is quantity that ——

PMC Practice 4
Physics
Scalars and Vectors
Elimination Tool:

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Category: Physics

Two long, parallel conductors which are free to move are arranged 1.0 cm apart. A steady current of 20 A flows in each of the conductors in the same direction. The conductors:

NUMS Mock 3
Physics
Magnetism and Electromagnetic Induction

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Category: Physics Ch 4 Class 11

Escape velocity of Jupiter is:

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Category: Physics Ch 9 Class 11

A 4 cm high object is located 10 cm from the converging lens, whose focal length is 20 cm. The image so formed will be:

NTS 2013
Physics
Optics, Nature of Light and Optical Instruments
Elimination Tool:

72 / 100

Category: Physics Ch 11 Class 11

A frictional piston-cylinder based enclosure contains some amount of gas at a pressure of 400k Pa. Then heat is pressure in a quasi-static process. The piston moves up slowly through a height of 10cm. lf the piston has across section area of 0.3m2,the work done by the gas in the process is:

NUMS 2014
Physics
Heat and Thermodynamics
Elimination Tool:

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Category: Physics

If both inputs “A” and “B” are ON and the output is also ON. This type of gate is known as:

NUMS Mock 2
Physics
Electronics

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Category: Physics Ch 4 Class 11

If the mass and radius of Earth arc reduced to one fourth, the escape velocity will.

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Category: Physics Ch 20 Class 12

The formula for the Paschen series for the Hydrogen spectrum is _______.

NTS 2019
Physics
Atomic Spectra
Elimination Tool:

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Category: Physics Ch 4 Class 11

Two cars are travelling towards each other on a straight road at velocities 15 m/s and 16 m/s respectively. When they are 150 m apart, both the drivers apply the brakes and the cars decelerate at 3 m/s2 and 4 m/s2 until they stop. Separation between the cars when they come to rest is :

PMC Sample 2
Physics
Motion in Two Dimensions
Elimination Tool:

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Category: Physics

Q.170 The phase angle between two points in a medium is I the distance between these points is 20 cm, then wavelength of the wave is?

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Category: Physics Ch 3 Class 11

A constant force acting on a body of mass 5 kg changes its speed from 2 /s to 7 m/s in 10 s the direction of motion of the body remains unchanged. Find the magnitude of the force.

NTS 2013
Physics
Forces and Motion
Elimination Tool:

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Category: Physics

A special class of waves that does not need a material medium for their propagation are called

NUMS Mock 4
Physics
Physics of Solids
Wave Motion and Sound

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Category: Physics Ch 4 Class 11

A 70 kg sportsman runs up a long flight of stairs in 4 seconds. The vertical height of the stairs is 4.5 m. What will be his power output in watts?

NTS 2015 DUHS and JSMU
Physics
Work, Power and Energy
Elimination Tool:

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Category: Physics Ch 2 Class 11

If the dot product of vectors Is equal to product of their magnitudes, the angle between them

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Category: Physics Ch 19 Class 12

Black body emits which of the following radiations:

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Category: Physics Ch 11 Class 11

If an ideal gas has volume V at 27 C and it is heated at constant pressure so that its volume becomes 1.5 V, then the value of final temperature is:

NUMS 2018
Physics
Heat and Thermodynamics
Elimination Tool:

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Category: Physics Ch 11 Class 11

The internal energy of a system during an isothermal process:

PMC 2020
Physics
Heat and Thermodynamics
Elimination Tool:

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Category: Physics Ch 19 Class 12

Value of h Is:

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Category: Physics Ch 11 Class 11

Efficiency of the Carnot’s cycle will be 100% if the temperature of cold reservoir is:

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Category: Physics Ch 4 Class 11

Energy consumed by 60 watt bulb in 2 minutes is equal to:

UHS 2018
Physics
Work, Power and Energy
Elimination Tool:

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Category: Physics Ch 7 Class 11

When the length of simple pendulum is doubled, the ratio of its new time period to old time period is:

UHS 2019
Physics
Oscillations and Simple Harmonic Motion
Elimination Tool:

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Category: Physics Ch 3 Class 11

Rate of change in displacement is known as:

PMC Sample 1
Physics
Forces and Motion
Elimination Tool:

90 / 100

Category: Physics Ch 4 Class 11

1 kilowatt hour =

NUMS 2020
Physics
Work, Power and Energy
Elimination Tool:

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Category: Physics Ch 21 Class 12

An alpha particle is ejected from the nucleus of an atom. Which of the following answers describes the change in the nucleus of the atom?

NUMS 2014
Physics
Nuclear Physics
Elimination Tool:

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Category: Physics Ch 19 Class 12

The concept of work function was given by:

PMC Sample 2
Physics
Dawn of Modern Physics
Elimination Tool:

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Category: Physics Ch 16 Class 12

In case of half wave rectification the resistance of diode during negative half of A.C is:

UHS 2018
Physics
Alternating Current
Elimination Tool:

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Category: Physics Ch 16 Class 12

Power factor. of RLC circuit at Resonance Is

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Category: Physics Ch 4 Class 11

Which of the following statement shows that no work is done?

UHS 2019
Physics
Work, Power and Energy
Elimination Tool:

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Category: Physics

Q.140 When a standing wave is set up in a pipe which is open from one end, which of the following statements is true

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Category: Physics Ch 21 Class 12

Which of the following has highest ionizing power and least penetrating power?

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Category: Physics Ch 8 Class 11

speed of sound is greatest in

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Category: Physics Ch 18 Class 12

If the temperature of diode increases the leakage current will

PMC Sample 2
Physics
Electronics
Elimination Tool:

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Category: Physics Ch 3 Class 11

A body Is dropped from a height 175m, how much time will it take to reach the ground?