The force which will accelerate a 25 kg mass at 98 cm/s2 on a smooth horizontal plane is:

NTS 2016 SMBBMC
Physics
Forces and Motion
Elimination Tool:

Torsion balance is used to measure:

Maximum efficiency of half wave rectifier is:

PMC Practice 11
Physics
Electronics
Elimination Tool:

Unit of light year Is:

Which of the following can cause least Ionization but has high Penetrating Power?

A small leak is developed in a large water storage tank. If the height of water above the leakage is 10 m, then find the speed of efflux through the leak:

UHS 2013
Physics
Fluid Dynamics
Elimination Tool:

A body moving on a fluid will experience:

NUMS 2016
Physics
Fluid Dynamics
Elimination Tool:

How much heat is absorbed by 100 g of water when its temperature decreases from 25. C to 5. C? (heat capacity is 4.2 j/gk)

NUMS 2016
Physics
Heat and Thermodynamics
Elimination Tool:

If a constant current is flowing through a coil, then the flux through that coil will become constant. In such types of arrangements, the electromotive force (emf) induced in the coil will be:

NTS 2018
Physics
Magnetism and Electromagnetic Induction
Elimination Tool:

The values of electric intensity will ____ due to the presence of dielectric medium:

PMC 2020
Physics
Electrostatics
Elimination Tool:

Work is a

PMC Sample 2
Physics
Scalars and Vectors
Elimination Tool:

An object is thrown vertically upward with a velocity of 20 m/s. How much time it will take to reach the highest point?

NUMS 2017
Physics
Motion in Two Dimensions
Elimination Tool:

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

Zeros are always considered significant when they are

Change in entropy does not depend on:

NUMS Mock 3
Physics
Heat and Thermodynamics

Microwaves are _______ waves.

PMC 2021 Tested
Physics
Electromagnetic Waves
Elimination Tool:

Which of the following can be the objective of Polarization:

A spring is moving with SUM from X=10 cm to X=40 cm then it has maximum velocity at?

At which of the following places, motion of simple pendulum becomes slowest:

NUMS 2015
Physics
Oscillations and Simple Harmonic Motion
Elimination Tool:

Which of the following changes must when a wave changes its medium?

A 2uF capacitor is connected to a 10 V dc supply, if ‘Q’ represents the charge on each plate and ‘E’ the energy stored on each plate, which of the following represents the values of Q and E?

NUMS 2019 Cancelled
Physics
Electrostatics
Elimination Tool:

In elastic collision

Which of the following changes, when particle Is moving with uniform velocity?

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

Penetration power of gamma rays as compared to alpha rays is

If electron passes through axis of solenoid the movement will be:

NUMS 2016
Physics
Magnetism and Electromagnetic Induction
Elimination Tool:

A copper wire has resistances 10 ohms and 20 ohms at temperature 0 C and 10 C respectively. What is the temperature coefficient of the copper wire?

NUMS 2016
Physics
Heat and Thermodynamics
Elimination Tool:

n which of the following more heat energy is produced?

A nucleus consists of 19 protons and 20 neutrons. The conventional symbol of this nucleus is:

NTS 2013
Physics
Atomic Spectra
Elimination Tool:

Displacement of an object with respect to a constant moving (v) frame in the same direction is:

PMC Sample 1
Physics
Forces and Motion
Elimination Tool:

The de Broglie wavelength of an electron travelling with a speed of 1.0 x 107m/s is equal to, (h=6.6 x 10-34 Js and me= 9.1 x 10-31 kg)

UHS 2018
Physics
Dawn of Modern Physics
Elimination Tool:

During the process of nuclear disintegration, when beta particle emission occurs, atomic no. of the atom changes by _____ and the mass number changes by ______.

NUMS 2018
Physics
Nuclear Physics
Elimination Tool:

A negligible small current between input terminals of the operational amplifier is because of:

UHS 2019
Physics
Electronics
Elimination Tool:

A body of mass 4 kg attached to a spring is displaced through 0.04 m from its equilibrium position and then released. If the spring constant is 400 N/m, find the time period of the vibration?

NTS 2016 DUHS & JSMU
Physics
Oscillations and Simple Harmonic Motion
Elimination Tool:

Which of the following is a unit of Work?

Which is evaporating cooler?

Lifetime of an excited state is

PMC Sample 3
Physics
Atomic Spectra
Elimination Tool:

The rate at which work is being done is called:

UHS 2018
Physics
Work, Power and Energy
Elimination Tool:

Which two or more of the following actions would increase the energy stored in a parallel plate capacitor when a constant potential difference is applied across the plates:

PMC Practice 5
Physics
Electronics
Elimination Tool:

A particle of charge -0.04C is projected with speed 2 x 104 m/s into a uniform magnetic field ‘B’ of strength 0.5 T. If the particle’s velocity as it enters the field is perpendicular to ‘B’, what is the magnitude of the magnetic force on this particle:

NTS 2010
Physics
Magnetism and Electromagnetic Induction
Elimination Tool:

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 current in the wire is directed into the page, and the wire is held perpendicular to the page, then the direction of magnetic circles will be:

If a wheel of radius r turns through an angle of 30°, then the distance through which any point on its rim moves is?

PMC Sample 1
Physics
Circular Motion and Momentum
Elimination Tool:

A car at rest starts moving with linear uniformly increasing velocity. After 20 seconds, it attains the maximum velocity of 80 m/s. What is the distance covered during this time interval?

NUMS Mock 4
Physics
Forces and Motion

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:

NUMS Mock 3
Physics
Wave Motion and Sound
Oscillations and Simple Harmonic Motion

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

NUMS 2019 Reconduct
Physics
Measurements
Elimination Tool:

The beat frequency is given by:

NUMS Mock 1
Physics
Wave Motion and Sound

A body is executing simple harmonic motion if:

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

The target in the X ray unit is given a:

NUMS 2018
Physics
Atomic Spectra
Elimination Tool:

The range Of the projectile depends upon the velocity of the projection and the angle of the projection i.e 45. For a fixed velocity, when the angle of projection is larger than 45. Which of the following is correct?

UHS 2019
Physics
Motion in Two Dimensions
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?

Refrigerator is an example of:

NUMS 2020
Physics
Heat and Thermodynamics
Elimination Tool:

What is dimension of coefficient of viscosity?

Which of the following is the percentage of the original quantity of a radioactive material left after five half–lives approximately.

NUMS Mock 2
Physics
Nuclear Physics

Product of Force and Time Is

When we lift an object, we do work against which of the following:

1) Friction                      2) Gravity

If a force of 1 N acts on a body through a distance of 1 m in the direction of force, how much
work is done?

The force applied on unit area to produce any change in the volume or length of a body is called:

NUMS 2017
Physics
Oscillations and Simple Harmonic Motion
Elimination Tool:

A particle is projected at an angle of 45 degrees with a velocity of 9.8 m/s. The horizontal range will be:

(g=9.8 m/s2)

NTS 2012
Physics
Motion in Two Dimensions
Elimination Tool:

The net charge flowing through any section of the conductor per unit time is known as?

NTS 2015 SMBBMC
Physics
Electrostatics
Elimination Tool:

At what angle of projection of a projectile the range becomes half of its maximum value?

PMC 2020
Physics
Motion in Two Dimensions
Elimination Tool:

A guy is standing in a lift falling freely under gravity and releases a ball from hand. As seen by the ball, the boy:

NUMS Mock 4
Physics
Gravitation

The electron current is chiefly due to:

NUMS Mock 4
Physics
Wave Motion and Sound

An A.C emf of E = 100 sin (100 π t) volt is concerned with a choke of negligible resistance. In order to produce current of amplitude 1 A, the inductance of the choke should be:

NUMS 2015
Physics
Magnetism and Electromagnetic Induction
Elimination Tool:

If a wire of resistance R is stretched into double of its length, then it’s resistance becomes _________.

NUMS 2019 Reconduct
Physics
Current Electricity
Elimination Tool:

Joules

A coil is placed near a magnet. Emf will be induced in it when

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:

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

NUMS 2017
Physics
Electronics
Elimination Tool:

A diode works in _______ bias for rectification.

PMC Practice 6
Physics
Alternating Current
Elimination Tool:

Second’s pendulum has frequency equal to?

If we double the separation between two charges then coulomb’s force will become?

NUMS 2020
Physics
Electrostatics
Elimination Tool:

If momentum is increased by 20% then K.E. increases by :

PMC Sample 2
Physics
Circular Motion and Momentum
Elimination Tool:

Identify the postulate(s) which help to formulate a mathematical model of gases.

I. A finite volume of gas consists of very large number of molecules

II. The size of the molecules is much smaller than the separation between molecules

III. Molecules do not exert force on each other except during a collision.

NUMS Mock 2
Physics
Heat and Thermodynamics

Temperature co-efficient of resistance is:

All of the following are equivalent to watt except:

NUMS Mock 2
Physics
Work, Power & Energy

Wave nature of light is proved by:

PMC Practice 1
Physics
Optics, Nature of Light and Optical Instruments
Elimination Tool:

In heavy nuclei the number of neutrons is than protons

Calculate the final kinetic energy when a shop keeper pushes a fruit crate, initially at rest, towards another shopkeeper by exerting a constant horizontal force F of magnitude 5N through a distance of 1 meter.

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

In medical scanning, which rays are used?

PMC Practice 18
Physics
Electromagnetic Waves
Elimination Tool:

When the antinodes, in stationary waves, are passing through their equilibrium position, the energy is:

NUMS 2020
Physics
Wave Motion and Sound
Elimination Tool:

The dimensional formula for change in momentum is same as that for:

ETEA 2018
Physics
Measurements
Elimination Tool:

According to the first law of thermodynamics, ΔU = Q + W, where ΔU Is the increase in internal energy of the system, Q is the heat transferred to the system and W is the external work done on the system.
Which of the following is NOT a correct expression?

NTS 2010
Physics
Heat and Thermodynamics
Elimination Tool:

If length of a wire is Increased two times and Its cross-sectional area is reduced to half, the resistance of the wire will be:

The vector product of two vectors A and B is ____ vectors A and B.

NTS 2019
Physics
Scalars and Vectors
Elimination Tool:

Sunlight will emit photo electrons when striking which of the following

Is it possible to separate north pole only from bar magnet?

NUMS Mock 4
Physics
Magnetism and Electromagnetic Induction

If the velocity of particle is varying linearly with time then shape of d-t curve would be

PMC Sample 2
Physics
Motion in Two Dimensions
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 2014
Physics
Magnetism and Electromagnetic Induction
Elimination Tool: