The oscillating object overshoots the rest position due to:

PMC Sample 1
Physics
Oscillations and Simple Harmonic Motion
Elimination Tool:

If y-component of a force acting In y direction is 6N the x-component will be

When a source is moving towards a stationary observer, the apparent change in frequency will be:

NUMS 2018
Physics
Wave Motion and Sound
Elimination Tool:

What would be Compton Wave shift if X-rays are scattered at an angle of 90 degree?

In the SI system of units, the fundamental units of length, mass, and time are ____, _____ and respectively:

NTS 2019
Physics
Measurements
Elimination Tool:

The half wave rectifier has how many diodes?

PMC 2021 Tested
Physics
Electronics
Elimination Tool:

What will be impact on the frequency of a simple pendulum if the length of pendulum is halved
and value of gravity is doubled?

During isothermal process which of the following remains constant:

A body of mass m moving with velocity v has a kinetic energy K. If its velocity is increased by 25%, what will be the work done in terms of K.E?

If the velocity of the body is decreasing, the acceleration is negative. The negative acceleration is known as:

NTS 2015 SMBBMC
Physics
Motion in Two Dimensions
Elimination Tool:

Force is a derived quantity, its derived unit can be expressed in terms of the base units as:

UHS 2018
Physics
Measurements
Elimination Tool:

A parallel beam of white light is incident normally on a diffraction grating. It is noted that the second-order and third-order spectra partially overlap. Which wavelength in the third-order spectrum appears at the same angle as the wavelength of 600 nm in the second-order spectrum?

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

X rays are affected by:

NUMS 2018
Physics
Atomic Spectra
Elimination Tool:

The charge on neutron is:

NUMS 2018
Physics
Electrostatics
Elimination Tool:

Identify the example/s of Static Equilibrium:

I. A book lying on a horizontal table
II. A building
III. A bridge

NTS 2012
Physics
Forces and Motion
Elimination Tool:

The temperature coefficient of normal-conductor is negative because:

NUMS 2020
Physics
Heat and Thermodynamics
Elimination Tool:

A body starts sliding on a rough horizontal surface with a speed of 10 m/s. If the coefficient of friction is 0.2, find the distance traveled by the body before coming to rest. (g = 10m/s)

NUMS Mock 2
Physics
Forces and Motion

Human body emits which of the following radiation?

When a body moves in the direction of gravitational force i.e. towards the earth, the work is done by the force of gravity on the body and is ______, whereas when the body moves against the direction of gravitational force, the corresponding work done is ______.

NTS 2014
Physics
Gravitation
Elimination Tool:

The stopping potential depends on

0.75 A current flows through an iron wire when a battery of 1.5 volts is connected across its ends. The length of the wire 5.0 m and its cross-sectional area is 2.5 x 10-7 m2. What is the resistivity of iron?

NTS 2015 DUHS and JSMU
Physics
Current Electricity
Elimination Tool:

If a single convex lens is placed close to the eye, it can be used as a

The half-life of a radioactive element depends upon:

NUMS 2016
Physics
Nuclear Physics
Elimination Tool:

When two suspended objects are seem to attract each other electrically:

Which rays are used in LASER?

PMC 2021 Tested
Physics
Electromagnetic Waves
Wave Motion and Sound
Elimination Tool:

The instrument(s) which work on the principle of Wheatstone bridge is/are:

NTS 2012
Physics
Current Electricity
Elimination Tool:

Coherent source of light means?

PMC Practice 3
Physics
Optics, Nature of Light and Optical Instruments
Elimination Tool:

Ammeter Is a galvanometer with:

If modulated signal frequency is represented by fm, carrier frequency by fc, fmin and fmax represent minimum and maximum values respectively, then the lower sideband refers to the range:

NTS 2016 SMBBMC
Physics
Wave Motion and Sound
Elimination Tool:

In multimode step index fibre the refractive index of core and cladding is

Product of Force and Time Is

A proton Is moving in direction of negative x-axis, what will happen to it if potential difference of V = -10x + 7 is applied across the field.

The efficiency of the carnot’s Engine Working between 150°C and 50°C is:

NTS 2011
Physics
Heat and Thermodynamics
Elimination Tool:

A point where the incident parallel rays of light converge or appear to diverge after passing through a lens
is called

If a Force F of magnitude 5N makes an angle of 60 with x-axis, the x-component of the vector will
be:

If speed of a fan in a room is Increased then the temperature of air in the room will

Two glass prisms Pl and P2 are to be combined together to produce dispersion without deviation. The angle of the prisms P1 and P2 are selected as 40 and 30 respectively. If the refractive index of prism Pl is 1.54, then that of P2 will be:

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

What should the distance of an object from a convex lens of focal length f=10 cm in order to produce an erect image twice as large as the object?

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

Which of the following is NOT a unit of energy?

PMC 2021 Tested
Physics
Work, Power & Energy
Measurements
Elimination Tool:

Name the scientist who won the noble prize for discovery of energy quanta

What happens to the pressure ‘p’ of an ideal gas, if the temperature is increased by a factor of 2 and the volume is increased by a factor of 8?

NUMS Mock 1
Physics
Heat and Thermodynamics

A force of 10 N is acting on an object at angle of 120 degree through the distance of 4 m. Calculate the work done.

1. a) – 20 j b) 20 /

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:

Which of the following remains unchanged in a transformer.

PMC Sample 3
Physics
Alternating Current
Elimination Tool:

If an AC voltage of rms value of 10 volts is applied as input of a half-wave rectifier, then the voltage value of the DC output will be:

PMC Practice 4
Physics
Alternating Current
Elimination Tool:

A body is executing simple harmonic motion if:

NTS 2015 SMBBMC
Physics
Oscillations and Simple Harmonic Motion
Elimination Tool:

For the horizontal pipe, the fluid inside it is flowing horizontally then Bernoulli’s
equation can be written as

UHS 2014
Physics
Fluid Dynamics
Elimination Tool:

The unit of impulse is same as of

1 femto is equal to

By increasing the area of the plates and decreasing the distance between them, the capacitance of a capacitor:

NUMS 2020
Physics
Electrostatics
Elimination Tool:

A body moves on a circular path subtending an angle of 2 radians at the center of a circle of radius 3.5 meters. The linear displacement of the body is _________.

NUMS 2019 Reconduct
Physics
Circular Motion and Momentum
Elimination Tool:

Light photons, each of energy 3.5 x 10-19J falls on the cathode of a photocell. The current through the cell is reduced to zero by taking the cathode to a potential +0.25 V relative to anode. The work function of the cathode is:

UHS 2018
Physics
Dawn of Modern Physics
Elimination Tool:

Alpha, Beta, and Gamma radiations are emitted from a radioactive substance:

NUMS 2017
Physics
Nuclear Physics
Elimination Tool:

If v = a + bt, the dimensions of a and b are

Sunlight will emit photo electrons when striking which of the following

During radioactive decay of a nucleus zXA, β emission takes place along with the daughter nucleus. Because of this beta particle emission, the mass number (A) of the parent nucleus:

NTS 2018
Physics
Nuclear Physics
Elimination Tool:

If three resistances RI, RI and R3 are connected In Parallel to the circuit such that RI> RI > RI. Which of the following will be true for the Equivalent Resistance R’?

The sum of Kinetic energy and the Potential energy is always constant to provide _____ .

NTS 2019
Physics
Work, Power and Energy
Elimination Tool:

In elastic collision

A convex lens of focal length ‘f1’and a concave lens of focal length ‘f2’ are placed in contact. The focal
length of the combination is

A stone is thrown horizontally from 2.4 m above the ground at 35 m/s. The wall is 14 m away and 1 m high. At what height will the stone reach when at the wall? Where will the stone land?

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

In photo-emission from a metal, if light of λ is replaced by light of wavelength λ / 4 , the maximum kinetic energy of the photoelectrons.

NUMS Mock 1
Physics
Dawn of Modern Physics

Which set of the prefixes gives values in increasing order?

UHS 2014
Physics
Measurements
Elimination Tool:

If T is to be increased to 37 then length of pendulum should be increased by:

• Q.145  A half-life of sodium-24 is __________ which is used to estimate the volume of blood in a patient:

An object is moving along a circular path of radius 4m. What will be its angular displacement if it moves 14 m on this circular path?

NUMS Mock 2
Physics
Circular Motion and Momentum

Acceleration of a body executing SHM is directed towards:

The ratio of angular speed of moon around the Earth to its angular speed about its own axis is:

NUMS Mock 3
Physics
Circular Motion and Momentum

Law of Conservation of Momentum states that total linear momentum of system remains constant if:

NUMS 2019 Reconduct
Physics
Forces and Motion
Elimination Tool:

When the speed of body is doubled is momentum becomes

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

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:

The magnetic force acting on a unit positive charge moving perpendicular to the magnetic field with a unit velocity is called:

NUMS Mock 2
Physics
Magnetism and Electromagnetic Induction

if a hole is dug to the center of earth and a ball is dropped in it, the ball will:

PIV stands for :

PMC 2020
Physics
Alternating Current
Elimination Tool:

A bullet fired from gun can pierce a target due to

PMC Sample 1
Physics
Work, Power and Energy
Elimination Tool:

.Light can be polarized by which of the following methods?

I. scattering of light

II. double refraction

III. reflection

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

An Inductor of 1H Is connected across a 220V, 50Hz supply. The peak value of current is approximately:

A particle having mass m and momentum p, the kinetic energy of the particle is given by:

PMC Sample 3
Physics
Work, Power and Energy
Elimination Tool:

Change in entropy does not depend on:

NUMS Mock 3
Physics
Heat and Thermodynamics

An object is undergoing simple harmonic motion. It’s time period is T and total energy is E. The amplitude of vibration is reduced to half. What is the new time period and total energy of the system?

PMC Practice 5
Physics
Oscillations and Simple Harmonic Motion
Elimination Tool:

In Compton’s effect the wavelength of the scattered photon is

The combination of ammeter, voltmeter, and ohmmeter into a compact single meter with one common galvanometer is called:

NTS 2015 SMBBMC
Physics
Magnetism and Electromagnetic Induction
Elimination Tool:

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

When the switch is closed, the potential difference between the terminal Is, in volts is:

NTS 2010
Physics
Current Electricity
Elimination Tool:

The light exhibits the phenomena of constructive interference under the situation when it is ______ and ______.

NUMS 2018
Physics
Optics, Nature of Light and Optical Instruments
Elimination Tool:

An aeroplane is flying in a straight line at a constant altitude. If a wing gust strikes and raises the nose of the airplane, the nose will bob up and down until the plane eventually returns to its original position. These oscillations are:

NUMS 2015
Physics
Oscillations and Simple Harmonic Motion
Elimination Tool:

The first excitation energy of H atom will be:

NUMS 2015
Physics
Atomic Spectra
Elimination Tool:

Which of the following gives the relationship between linear velocity and angular velocity?

NUMS Mock 3
Physics
Circular Motion and Momentum

What will be the gravitational force of attraction between two balls each weighing 5 kg when placed at a distance of 0.33 m apart. (G = 6.673 x 10-7 Nm2/kg2)

NTS 2015 DUHS and JSMU
Physics
Gravitation
Elimination Tool:

Two negative charges are present at a distance d. A third positive charge is placed somewhere between these charges. This positive charge will be in equilibrium.