Whenever the average and instantaneous velocities are equal the body is said to have a:

NTS 2016 SMBBMC
Physics
Motion in Two Dimensions
Elimination Tool:

A transistor cannot be used as

If the waves interfere constructively, the amplitude of the resulting wave would be:

NUMS 2018
Physics
Wave Motion and Sound
Elimination Tool:

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

UHS 2019
Physics
Work, Power and Energy
Elimination Tool:

Why is the total mass of all individual protons and neutrons in a nucleus greater than the mass of the nucleus which they constitute?

NUMS Mock 2
Physics
Nuclear Physics

A material that does NOT become radioactive after absorbing neutrons is called.

NTS 2019
Physics
Nuclear Physics
Elimination Tool:

Dimension of Torque Is?

Centrifugal force Is:

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

When the frequency of the applied force becomes equal to one of natural frequencies of body then the body oscillates with maximum displacement this phenomenon is called:

UHS 2018
Physics
Wave Motion and Sound
Oscillations and Simple Harmonic Motion
Elimination Tool:

If the medium is changed from air to diamond what would be the effect in potential difference of a capacitor?

Dimensions of work?

The sum of all forms of molecular energies (Kinetic and Potential) of a substance is termed as?

UHS 2019
Physics
Work, Power and Energy
Elimination Tool:

Lasers are used for producing an intense, ____ and coherent beam of visible light.

NUMS Mock 2
Physics
Optics, Nature of Light and Optical Instruments

Full wave rectifier uses:

PMC Practice 5
Physics
Electronics
Elimination Tool:

A ball is thrown from some height; it strikes the ground and bounces back to the same height. This scenario represents which situation:

Find the longest wavelength in the Paschen series, given R = 1.097 x 107m-1.

NUMS 2019 Reconduct
Physics
Atomic Spectra
Elimination Tool:

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:

If Ns/Np is the turn ratio, then for step up transformer

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

The frequency of a string on a musical instrument can be changed either by:

PMC Sample 3
Physics
Oscillations and Simple Harmonic Motion
Elimination Tool:

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

PMC Sample 2
Physics
Electronics
Elimination Tool:

The atomic spectra deals with the measurement of?

NTS 2014
Physics
Atomic Spectra
Elimination Tool:

Energy of the 4th orbit in a hydrogen atom is:

PMC Sample 1
Physics
Atomic Spectra
Elimination Tool:

The open-circuit test in a transformer is used to measure?

PMC Practice 3
Physics
Electronics
Elimination Tool:

SI unit of velocity Is

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

The deviation of I-V graph from straight line is due to:

NUMS Mock 1
Physics
Current Electricity

If stress is doubled, then volume becomes

In Young’s Double slit experiment, if the spacing between the slit is doubled and the linear distance from the screen is reduced to one half then the spacing between the two adjacent bright fringes will be ____ of actual value.

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

The unit of the product of RC in the charging of a capacitor Is:

Which of the following radiation detector operates under Reverse Bias?

If the amplitude is 200, the intensity is 300 when the amplitude is increased to 800 then what will be the intensity?

NUMS Mock 3
Physics
Fluid Dynamics

The dimensions of acceleration are:

NTS 2011
Physics
Measurements
Elimination Tool:

A car going around a certain curve at a speed of 25 km/h has a centripetal force acting on it of 100 N. If the speed of the car is doubled, the centripetal force:

NTS 2016 DUHS & JSMU
Physics
Circular Motion and Momentum
Elimination Tool:

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:

In Heisenberg Principle:

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

NUMS 2017
Physics
Nuclear Physics
Elimination Tool:

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

Energy difference in balmer series for longest wavelength is

PMC Sample 3
Physics
Atomic Spectra
Elimination Tool:

Why is the total mass of all individual protons and neutrons in a nucleus greater than the mass of the nucleus which they constitute?

NUMS 2020
Physics
Nuclear Physics
Elimination Tool:

Which of the following affects our eye?

Two resistors R1 and R2 may be connected either in series or in parallel across a battery of zero internal resistance. It is required that the joule heating for parallel combination be five times that for series combination. If R1 = 100Ω, find possible values of R2.

NTS 2013
Physics
Current Electricity
Elimination Tool:

If a wave can be polarized, it means, it is:

NUMS 2016
Physics
Wave Motion and Sound
Elimination Tool:

When some charge is given to a soap bubble it

A sound wave travels from a region of hot air into a region of cold air. How does frequency and wavelength of sound change?

PMC Practice 21
Physics
Electromagnetic Waves
Elimination Tool:

Which of the following statement is true? i) Toroid is a solenoid bent into circular path ii) Solenoid is a tarok’ in open

If a car moves from 15 m/s to 5 m/s in 10 sec then average acceleration is

PMC Sample 3
Physics
Motion in Two Dimensions
Elimination Tool:

Black body emits which of the following radiations:

X-rays are used to investigate:

PMC Sample 3
Physics
Dawn of Modern Physics
Elimination Tool:

Third law of Newton is also called:

NUMS Mock 2
Physics
Forces and Motion

Calculate the energy of a photon of wavelength 6600 angstroms.

PMC Sample 3
Physics
Atomic Spectra
Elimination Tool:

Momentum of a photon is?

PMC Practice 2
Physics
Dawn of Modern Physics
Elimination Tool:

In Doppler effect, if listener moves towards a stationary source then:

NUMS 2020
Physics
Wave Motion and Sound
Elimination Tool:

If Compton shift is half of Compton wavelength, then the scattering angle would be:

Two spherical balls of 2.0 kg and 3.0 kg masses are moving towards each other with velocities of 6 m/s and 4 m/s respectively. What must be the velocity of the smaller ball after the collision, if the velocity of the bigger ball is 3 m/s?

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

The rate at which work is being done is called:

UHS 2018
Physics
Work, Power and Energy
Elimination Tool:

How much energy is dissipated as heat in 20 s by a 100 Ω resistor that carries a current of 0.5 A?

NTS 2014
Physics
Current Electricity
Elimination Tool:

The physical quantity which produces angular acceleration in the body is

NUMS 2014
Physics
Circular Motion and Momentum
Elimination Tool:

In which of the following case(s) the work done be positive?

If mass attached to a spring and the spring constant of a spring are doubled, the resulting Time period will:

In a circuit, there is a current of 5 amp which is changed such that the current falls to zero in 0.1 sec. If an average e.m.f. of 200 volts is induced, the self-inductance of the circuit will be:

NTS 2012
Physics
Magnetism and Electromagnetic Induction
Elimination Tool:

In simple harmonic motion, acceleration will be maximum, when object is at:

NUMS Mock 3
Physics
Oscillations and Simple Harmonic Motion

Flux passing through an area does not depend upon

In a certain process, 400 J of heat energy is supplied to a system and at the same time 150 J of work is done by the system. The increase in internal energy of the system is _______.

NUMS Mock 4
Physics
Heat and Thermodynamics

An element whose atomic number is same but mass number is different is called:

NUMS 2019 Reconduct
Physics
Nuclear Physics
Elimination Tool:

The temperature coefficient of normal-conductor is negative because:

NUMS 2020
Physics
Heat and Thermodynamics
Elimination Tool:

In E = F/Q, the charge is

A tuning fork A produces 4 beats with another tuning fork B. if the frequency of tuning fork B is 320 Hz, then the frequency of tuning fork A is:

PMC Practice 21
Physics
Electromagnetic Waves
Elimination Tool:

Law of heat exchange is used to determine:

NTS 2018
Physics
Heat and Thermodynamics
Elimination Tool:

Ohm multiplied by farad is equivalent to:

PMC 2020
Physics
Electrostatics
Elimination Tool:

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

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

In Nuclear Physics the mass defect is referred to _______.

NTS 2019
Physics
Nuclear Physics
Elimination Tool:

Which series is emitted when electron Jumps from a higher orbit to fifth orbit?

Emission of an alpha particle from a radioactive element.

NUMS 2019 Reconduct
Physics
Nuclear Physics
Elimination Tool:

If spring constant is 2 and displacement is also 2 then sum of KE and PE?

Which one has least value?

If a dielectric material is placed between two plates of a capacitor, the net capacitance of the capacitor:

NTS 2018
Physics
Electrostatics
Elimination Tool:

Which group consists of only electromagnetic waves?

PMC Sample 1
Physics
Dawn of Modern Physics
Elimination Tool:

The frequency of a man’s voice is 300 Hz. If velocity of sound is 336 m/s, the wavelength of the sound is:

NTS 2016 SMBBMC
Physics
Wave Motion and Sound
Elimination Tool:

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:

What happens to bulk of potential energy of a glass that falls from a table and breaks

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:

The sum of all forms of molecular energies in a thermodynamic system is known as:

NTS 2017
Physics
Heat and Thermodynamics
Elimination Tool:

Transition of electrons should occur between which orbitals(n) that will emit the longest wavelength in the Balmer series of Hydrogen.

NUMS 2019 Reconduct
Physics
Atomic Spectra
Elimination Tool:

Seconds pendulum has time period

An element whose atomic number is same but mass number is different is called:

NUMS Mock 4
Physics
Nuclear Physics

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:

To remove the huge amount of heat energy in a nuclear reactor, ______ is/are used.

NTS 2012
Physics
Nuclear Physics
Elimination Tool:

SI unit of acceleration is