The direction of the magnetic line of force depends upon:

NUMS 2016
Physics
Magnetism and Electromagnetic Induction
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:

Which group consists of only electromagnetic waves?

PMC Sample 1
Physics
Dawn of Modern Physics
Elimination Tool:

Which of the following have low ionization and high penetrating power?

With the usual notation, the first law of thermodynamics applied to one mole of an ideal gas can be written in the following form:

CvΔT=ΔQ – PΔV

In a change for which Boyle’s law is obeyed, which of the following would necessarily be zero?

NTS 2017
Physics
Heat and Thermodynamics
Elimination Tool:

Unit of pressure?

The energy stored in the capacitor is written as:

NUMS Mock 2
Physics
Electrostatics

A charge is situated in the center of cube. The electric flux through one of the faces of the cube is.

Final image produced by a compound microscope is

If the electric field is E = x/y then y is?

If two sounds have the same wavelength in air at the same temperature, what other property must they also have in common?

Intensity
Amplitude
Frequency
NTS 2017
Physics
Wave Motion and Sound
Elimination Tool:

Which of the following is a supplementary physical quantity?

UHS 2017 Reconduct
Physics
Measurements
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:

Mechanical energy of an object is the sum of its Potential Energy and ?

If an object sinks in the water, then

In SHM the kinetic energy of the body is maximum when:

NUMS Mock 1
Physics
Oscillations and Simple Harmonic Motion

White light does not focus to a single point after passing through a convex lens due to

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:

The dimensions of volume and acceleration (respectively) are:

NTS 2010
Physics
Measurements
Elimination Tool:

Gamma rays are emitted from nuclei of radioactive atoms. They are nothing but:

NTS 2016 DUHS & JSMU
Physics
Nuclear Physics
Elimination Tool:

Radiations emitted by human body lie in which of the following series?

If temperature on Kelvin scale Is reduced to half, what would be the effect on the energy of radiations?

A 5 watt LED bulb converts 80% of the power into light photons wavelength 660 nm. What is the number of photons emitted from the bulb in one second.

UHS 2018
Physics
Dawn of Modern Physics
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:

Earth is a/an frame of reference

When the force and the displacement are in the opposite directions, the work done by the force is ______.

NTS 2015 DUHS and JSMU
Physics
Forces and Motion
Elimination Tool:

Which of the following Is correct?

The wavelength of X-rays is:

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

Seconds pendulum has time period

Flow speed of the fluid through a non-uniform pipe increases from 1 m/sec to 3 m/sec. If change in P.E. is zero, then pressure difference between two points will be: (density of the fluid = 1000 kg/m3)

UHS 2012
Physics
Fluid Dynamics
Elimination Tool:

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

NTS 2019
Physics
Scalars and Vectors
Elimination Tool:

A camera of 6-cm focal length is used to photograph a distant scene. The distance from the lens to the image is approximately:

NTS 2016 SMBBMC
Physics
Optics, Nature of Light and Optical Instruments
Elimination Tool:

Full wave rectifier uses:

PMC Practice 5
Physics
Electronics
Elimination Tool:

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

NTS 2017
Physics
Atomic Spectra
Elimination Tool:

When a force acts at right angles to the displacement (θ=90°) the work done is zero i.e. the force does not produce work. Identify the example/s from the following when work is zero.

I. It is considered ‘hard work’ to hold a heavy stone stationary at stretched hand

II. A person walks along a level surface while carrying a box

III. when a body moves in circular path

NTS 2014
Physics
Forces and Motion
Elimination Tool:

If voltage of a capacitor is 60 v then what will be the voltage if diamond is present as •dielectric

The torque will be greater if:

NTS 2011
Physics
Circular Motion and Momentum
Elimination Tool:

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

Calculate the energy of a photon of wavelength 6600 angstroms.

PMC Sample 3
Physics
Atomic Spectra
Elimination Tool:

potential difference in charge between two points in a circuit is known as?

If A = 2.79 and B = 8.1 , then A+B =?

Two spheres of the same size, one of mass 5 kg and the other of mass 50 g are dropped simultaneously from a tower. When they are about to touch the ground, they have the same:

NUMS 2015
Physics
Gravitation
Elimination Tool:

The product of cross-sectional area of the pipe and the fluid speed at any point along the pipe:

UHS 2013
Physics
Fluid Dynamics
Elimination Tool:

car travels a distance of 350 miles in 5.0 hours find its average speed.

A body moving with velocity V can be stopped by a force F in direction of it. The same body moving with velocity 5 V can be stopped by a force 5F in distance equal to:

NUMS Mock 4
Physics
Forces and Motion

Image of an object 5 mm high is only 1 cm high. Magnification produced by lens is

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:

When some charge is given to a soap bubble it

At what angle is the range of projectile the maximum?

The maximum efficiency of a half-wave rectifier is:

PMC Practice 3
Physics
Alternating Current
Elimination Tool:

If the ionization energy of hydrogen atom is 13.6 eV, its ionization potential will be

PMC Sample 3
Physics
Atomic Spectra
Elimination Tool:

When the drag force is equal to the weight of the droplet, the droplet will fall with:

UHS 2011
Physics
Fluid Dynamics
Elimination Tool:

In a bridge type full-wave rectifier, if Vm is the peak voltage across the secondary coil of the transformer, the maximum voltage coming across each reverse biased diode is:

PMC Practice 5
Physics
Alternating Current
Elimination Tool:

Two identical conducting spheres A and B carry equal charge Q. They are separated by a distance much larger than their diameters. A third identical conducting sphere C carries charge 2Q. Sphere C is first touched to A, then to I3, and finally removed. As a result, the electrostatic force between A and B, which was originally F, becomes:

When a body of weight ‘W’ is kept suspended by a string, the weight of the body pulls the string downwards, while the string pulls the body upwards with an equal force, this force is called?

NTS 2015 SMBBMC
Physics
Forces and Motion
Elimination Tool:

PIV stands for :

PMC 2020
Physics
Alternating Current
Elimination Tool:

A nucleus weighs less than Its sum of nucleons, a quantity known as the

When a 7000 N elevator moves from street level to the top of a building 300 m above the street level, what is the change in gravitational potential energy?

NTS 2016 DUHS & JSMU
Physics
Work, Power and Energy
Elimination Tool:

An astronomical telescope has Magnifying power 5. If the focal length is 20 cm then what is the focal length of the objective?

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

A container is divided into two equal portions. One portion contains an ideal gas at pressure P and temperature T while the other portion is a perfect vacuum. If a hole is opened between two portions:

NUMS Mock 3
Physics
Heat and Thermodynamics

If a body A is charged with charge q, and is touched with neutral body B and then with neutral body C. What will be the charge on C after the contact?

The absolute standard of rest is:

A metal sphere of radius r is dropped into a tank of water. As it sink at speed v, it experience a drag force F given by F= krv, where k is a constant: What are the SI base units of k?

ETEA 2017
Physics
Measurements
Elimination Tool:

How many neutrons are released during fusion of two deuterons?

A wire is stretched by a force ‘F’ which causes an extension ∆l, the energy stored in the wire is:

UHS 2012
Physics
Physics of Solids
Elimination Tool:

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

UHS 2018
Physics
Work, Power and Energy
Elimination Tool:

Compression of gas under constant temperature is process:

Volt/ohm=

Law of heat exchange is used to determine:

NTS 2018
Physics
Heat and Thermodynamics
Elimination Tool:

The process of natural decay of some heavy nuclides is because of the phenomenon:

NTS 2018
Physics
Nuclear Physics
Elimination Tool:

A rotating wheel of radius 0.5 m has an angular velocity of 5 rad/s at some instant and 10 rad / s after 5 s. Find the angular acceleration of a point on its rim.

NTS 2013
Physics
Circular Motion and Momentum
Elimination Tool:

Dimensions of linear Momentum are:

Magnetic flux is maximum when angle between magnetic field and vector area is:

PMC 2020
Physics
Magnetism and Electromagnetic Induction
Elimination Tool:

SI unit of velocity Is

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:

Ohm multiplied by farad is equivalent to:

PMC 2020
Physics
Electrostatics
Elimination Tool:

Non-inverting amplifier circuits have?

PMC Practice 2
Physics
Electronics
Elimination Tool:

In a centre tap full wave rectifier if Vm is the peak voltage across the secondary of transformer, the maximum voltage across reverse bias is

PMC Practice 11
Physics
Electronics
Elimination Tool:

In the breakdown region zener behaves like a

PMC Sample 2
Physics
Electronics
Elimination Tool:

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

NUMS Mock 4
Physics
Wave Motion and Sound

A row of 25 decorative lights, connected in series, is connected to a main transformer. When the supply is switched on, the lights do not work. The owner uses a voltmeter to test the circuit. When the voltmeter is connected across the third bulb in the row, a reading of zero is obtained. Which of the following cannot be the only fault in the circuit?

NTS 2017
Physics
Current Electricity
Elimination Tool:

If a body is placed from poles to equator, the weight of the body will

In elastic collision

The bicycle pump works on the basis of:

NUMS 2020
Physics
Heat and Thermodynamics
Elimination Tool:

A 3 kg stone falls from a 20m high platform. Find its falling speed at 10 m height.

NUMS Mock 1
Physics
Forces and Motion

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

ETEA 2018
Physics
Measurements
Elimination Tool:

Wave nature of light is proved by:

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

Standing pattern of Nodes and Antlnodes form:

Newton’s 3rd law of motion is for bodies that are

The oscillating object overshoots the rest position due to:

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