Which of the following color has maximum energy?

Which is evaporating cooler?

Entropy is the measure of of a system

Percentage uncertainty in length and width of a rectangle is 2% and 3%. The total uncertainty in the area of that rectangle is?

UHS 2019
Physics
Measurements
Elimination Tool:

If length of the wire becomes two times to the original value and area becomes one half to its original value, then resistance of the wire becomes:

NUMS 2020
Physics
Current Electricity
Elimination Tool:

A bicycle wheel of radius 0.70 m is turning at an angular speed of 6.3 rad/s as it rolls on a horizontal surface without slipping. What is the linear speed of the wheel?

Three resistors R1, R2 and R3 are connected in series. If R1 > R2 > R3, the equivalent resistance will be:

A rescue helicopter drops a package of emergency ration to a stranded party on the ground. If the helicopter is traveling at 40 m/s at a height of 100 m above the ground, where does the package strike the ground relative to the point at which it was released? (g= 9.8 m/s2)

NTS 2010
Physics
Motion in Two Dimensions
Elimination Tool:

If length of the pendulum is halved time ‘period will be?

A circuit in which there is a current of 5 amp is changed so that the current falls to zero in 0.1s. If an average e.m.f of 200 volts is induced, what is the self-inductance of the circuit?

NTS 2014
Physics
Magnetism and Electromagnetic Induction
Elimination Tool:

Wavelength of X-rays is of the order of?

A particle is projected from the ground with a kinetic energy E at an angle of 60 degree with the horizontal. Its kinetic energy at the highest point of its motion will be:

NUMS 2019 Cancelled
Physics
Forces and Motion
Elimination Tool:

Spherical aberration can be reduced by using

If, the speed of waves is 10m/sec and its frequency is 5Hz. Find its wavelength.

NUMS 2016
Physics
Wave Motion and Sound
Elimination Tool:

In a practical transformer mutual induction between primary and secondary coils takes place. In such transformer what can be deduced about the power.

UHS 2018
Physics
Alternating Current
Work, Power & Energy
Elimination Tool:

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

NTS 2019
Physics
Work, Power and Energy
Elimination Tool:

The direct exposure of sun light where ozone layer is depleted will cause:

2022 PMC Test 1
Physics
Electromagnetic Waves
Elimination Tool:

The light we see is:

PMC 2021 Tested
Physics
Electromagnetic Waves
Elimination Tool:

What will be the change in potential energy if an electron moves 4.5m in the direction of an electric field of strength 325 N/C?

Which electrical quantity cannot be changed by a transformer?

Damping is the process whereby _______ is ______ from the oscillating system.

NUMS 2019 Reconduct
Physics
Oscillations and Simple Harmonic Motion
Elimination Tool:

Which of the following is incorrect?

The atomic spectra deals with the measurement of?

NTS 2014
Physics
Atomic Spectra
Elimination Tool:

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:

When transistor Is forward biased then resistance will be: b a) Nano ohms ) Kilo ohms c) Mega ohms

Which of the following has greater wavelength than red light?

If a car is moving with constant non-zero velocity, then its displacement time graph will be:

The fractional change in resistance per kelvin is known as:

NUMS Mock 2
Physics
Current Electricity

A steel rod has a length of 15 m at a temperature of 30°C. If the temperature is raised to 45°C. The increase in its length is:

(α= 1.1 x 10-5 K-1)

NTS 2014
Physics
Heat and Thermodynamics
Elimination Tool:

1 degree Is equal to radians

Electric field strength at a point between oppositely charged plates is ‘E’. If the distance between plates is reduced to half, what will be the new value of electric intensity?

NUMS Mock 3
Physics
Electrostatics

Which of the following is an instrument for monitoring radiations:

NUMS 2016
Physics
Nuclear Physics
Elimination Tool:

(1, 1, 1) • (2, 2, 2) =

Three resistors connected in series have Individual voltages labeled V1, V2, and V3, respectively. Which of the following expresses the value of the total voltage V, taken over the three resistors
together?

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:

Consider the spectral line resulting from the transition from n=2 to n=1, in atoms and ions given below. The shortest wavelength is produced by:

PMC Sample 3
Physics
Atomic Spectra
Elimination Tool:

1 light year distance is the:

PMC Practice 5
Physics
Measurements
Elimination Tool:

The maximum instantaneous value measured from zero value is known as?

PMC Sample 3
Physics
Alternating Current
Elimination Tool:

An electron enters in a magnetic field at an angle less than 90 degrees with magnetic field. Which of the following path is followed by an electron?

NUMS Mock 3
Physics
Magnetism and Electromagnetic Induction

Stokes’ Law for steady motion in a fluid of infinite extent is given by:

UHS 2012
Physics
Fluid Dynamics
Elimination Tool:

mho is the unit of 7

A progressive wave moving along the X axis is represented by y = [(2 π / λ – x)]. The wavelength at which the maximum particle velocity is 3 times the wave velocity is:

NUMS 2014
Physics
Oscillations and Simple Harmonic Motion
Elimination Tool:

On doubling the mass, the linear momentum and angular momentum of the body will be:

If the length of simple pendulum is increased to 6 time; and g reduces to 3 times, then time period will be?

The centripetal acceleration formula is given as:

PMC Sample 1
Physics
Circular Motion and Momentum
Elimination Tool:

The ratio of tensile strength to tensile strain is called:

UHS 2012
Physics
Physics of Solids
Elimination Tool:

When an observer moves with velocity of light, relative to a timing device at rest, he would notice:

NUMS 2015
Physics
Dawn of Modern Physics
Elimination Tool:

Magnetic force on a moving charge depends upon:

NTS 2016 SMBBMC
Physics
Magnetism and Electromagnetic Induction
Elimination Tool:

Two strings A and B of a sitar produces 6 beats per second. When the tension in string B is slightly reduced, beat frequency is reduced by 3 beats per second. If the frequency of string A is 324 Hz. then original frequency of string B was:

NUMS 2019 Cancelled
Physics
Oscillations and Simple Harmonic Motion
Elimination Tool:

A microscope has an objective of 10 mm focal length and eyepiece of 25 mm focal length. What is the distance between the lenses if the object is in sharp focus when it is 10.5 mm from the objective?

NTS 2015 DUHS and JSMU
Physics
Optics, Nature of Light and Optical Instruments
Elimination Tool:

The amount of heat at constant volume is called as:

NTS 2013
Physics
Heat and Thermodynamics
Elimination Tool:

Minimum energy required to eject an electron from metal surface is called:

UHS 2019
Physics
Dawn of Modern Physics
Elimination Tool:

If a pendulum is oscillating with a frequency f then what is the frequency at which it’s K.E. changes?

NUMS Mock 2
Physics
Oscillations and Simple Harmonic Motion

EEG is related to:

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

A type of metals containing alloys, ceramics etc., when heated their temperature reaches to a state called Transition temperature state and their resistance reaches to zero. These types of metals are called:

The different magnitudes of same physical quantities are measured by comparing them to:

NUMS Mock 1
Physics
Measurements

The spin of a photon is:

PMC 2021 Tested
Physics
Dawn of Modern Physics
Elimination Tool:

The half-life of Iodine Is

The number of protons in the nucleus is called _____ number.

PMC Sample 3
Physics
Atomic Spectra
Elimination Tool:

A stone dropped from the roof of a building takes 4 s to reach the ground. The height of the building is:

NUMS 2017
Physics
Motion in Two Dimensions
Elimination Tool:

Ideal fluid is:

NUMS 2018
Physics
Fluid Dynamics
Elimination Tool:

The basic purpose of filter is to?

PMC Practice 1
Physics
Electronics
Elimination Tool:

Two bodies are projected at an angle of ɑ and (90 – θ) to the horizontal with the same speed. The ratio between their time of flight is:

NUMS 2019 Cancelled
Physics
Motion in Two Dimensions
Elimination Tool:

Bimetallic thermostat is an example of:

NTS 2018
Physics
Heat and Thermodynamics
Elimination Tool:

The beat frequency is given by:

NUMS Mock 1
Physics
Wave Motion and Sound

Infrasonic waves have a frequency of:

PMC 2021 Tested
Physics
Electromagnetic Waves
Elimination Tool:

Unit of Momentum Is?

What’s relation between penetrating power and Ionization power

The amount of heat provided to a system at constant pressure (qp) is equal to _______.

NTS 2012
Physics
Heat and Thermodynamics
Elimination Tool:

In motion of satellites, necessary centripetal force is provided by:

NUMS 2020
Physics
Circular Motion and Momentum
Elimination Tool:

In E = F/Q, the charge is

Which of the following statements is correct:

UHS 2011
Physics
Physics of Solids
Elimination Tool:

If Cp = 10 & Cv = 7, then the general gas constant equals:

In heavy nuclei the number of neutrons is than protons

In which of the following medium will the speed of sound be maximum?

_______ is also known as anti-electron.

NTS 2017
Physics
Nuclear Physics
Elimination Tool:

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:

Which of the following is a supplementary physical quantity?

UHS 2017 Reconduct
Physics
Measurements
Elimination Tool:

Extraterrestial waves are also called:

PMC 2021 Tested
Physics
Electromagnetic Waves
Elimination Tool:

A proton is about 1840 times heavier than an electron. When it is accelerated by a potential difference of 1kV, its kinetic energy will be:

NUMS Mock 4
Physics
Magnetism and Electromagnetic Induction

In Nuclear Physics the mass defect is referred to _______.

NTS 2019
Physics
Nuclear Physics
Elimination Tool:

Instantaneous velocity is defined as

PMC Sample 3
Physics
Motion in Two Dimensions
Elimination Tool:

The current measuring part of the Avometer consists of a number of low resistors connected …

NUMS 2016
Physics
Magnetism and Electromagnetic Induction
Elimination Tool:

The total outward flux over any closed hypothetical surface called _____ is equal to the total charge enclosed divided by ε irrespective of how the charge is distributed.

NTS 2015 DUHS and JSMU
Physics
Electrostatics
Elimination Tool:

The distance between two consecutive antinodes is equal to:

NUMS 2018
Physics
Wave Motion and Sound
Elimination Tool:

Value of solar constant on the surface of Earth is:

Molar mass of water is:

PMC Sample 2
Physics
Measurements
Elimination Tool:

In the case of linear deformation, the ratio of tensile stress to tensile strain is called:

UHS 2018
Physics
Physics of Solids
Oscillations and Simple Harmonic Motion
Elimination Tool:

Value of Wien’s constant is?

An electron is moving along the axis of a solenoid carrying a current. Which of the following is a correct statement about the electromagnetic force acting on the electron?

NUMS 2015
Physics
Magnetism and Electromagnetic Induction
Elimination Tool:

A ball is released from a height h, above a table. Given that air resistance is negligible and 50% of its kinetic energy is converted to other forms of energy at each bounce, what will be the height reached after the second bounce?