The magnifying power of a compound microscope in terms of the magnification of the objective and
magnifying power of the eyepiece is given by

If frequency of incident light is increased beyond threshold frequency, keeping light intensity constant, then:

NUMS 2019 Reconduct
Physics
Dawn of Modern Physics
Elimination Tool:

Power of RCL circuit at resonance Is?

If the temperature of cold reservoir is 12C and that of hot reservoir is 27C, the efficiency of Carnet Engine • All be?

A 800 kg car is turning round a corner at 6 m/sec as it travels along an arc of circle of radius 12 m. The magnitude of force exerted by pavement on the tyres to hold the car in circular path is _________.

NUMS 2019 Reconduct
Physics
Circular Motion and Momentum
Elimination Tool:

The half-life of C14 is about:

NTS 2012
Physics
Nuclear Physics
Elimination Tool:

Two vectors A and B both have magnitude of 5N and the angle between them is 135, then magnitude of A x B will be

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:

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.

Forces In nature always occur in

Sodium nucleus consists of 11 protons and 12 neutrons. The conventional symbol of this nucleus is?

NTS 2014
Physics
Nuclear Physics
Elimination Tool:

Which of the following will be absorbed by the paper?

Beta rays cannot be stopped by:

PMC Practice 11
Physics
Electromagnetic Waves
Elimination Tool:

Wave fronts coming from small light bulb

_____ are such nuclei of an element that have the same mass number A, but have different charge number Z.

NUMS Mock 2
Physics
Atomic Spectra

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

PMC 2020
Physics
Electrostatics
Elimination Tool:

An electromagnetic wave travels in a straight line through a vacuum. The wave has a frequency of 6.0 THz. What is the number of wavelengths in a distance of 1.0 m along the wave?

ETEA 2018
Physics
Electromagnetic Waves
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

Unit of light year Is:

Who was awarded Nobel Prize (1921) for explanation of Photoelectric Effect?

In rotation motion the torque is:

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

An object placed in front of a concave mirror at a distance of X cm from the pole gives a 3 times magnified real image. If it is moved a distance of X+5cm, the magnification of the image becomes 2. The focal length of the mirror is:

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

Conversion of heat energy completely into work violates:

NUMS 2014
Physics
Heat and Thermodynamics
Elimination Tool:

The detection and estimation of an element in a mixture is sometimes nearly impossible, if it is present in very minute traces or if it’s chemical properties are very similar to those of other elements in the mixture. An effective technique is developed for these purposes is known as?

NTS 2014
Physics
Nuclear Physics
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:

S.I. Unit of rate of flow of a fluid :

NUMS 2018
Physics
Fluid Dynamics
Elimination Tool:

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

Escape velocity of Jupiter is:

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:

Two charges are separated by a distance r, in presence of which of the following the force between them will be minimum?

Which of the following color has maximum energy?

If you wish to decrease the resistance of a circuit, you will add the resistors in ________.

NTS 2014
Physics
Current Electricity
Elimination Tool:

Escape velocity of Neptune is:

Which of the following is the angle of projection of a projectile if its range is equal to its height?

NUMS Mock 1
Physics
Forces and Motion

Which one of the following requires no medium?

PMC 2021 Tested
Physics
Electromagnetic Waves
Elimination Tool:

Electrons are emitted in the production of X rays by:

NUMS Mock 1
Physics
Atomic Spectra

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

What is true about the electric field and electric force?

NUMS 2016
Physics
Electrostatics
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

1 pascal = atm

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

A uniform wire of resistance 3 ohm is folded in such a way that it forms an equilateral triangle, then what is it’s resistance across the ends of any two vertices?

NUMS Mock 1
Physics
Current Electricity

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

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

What are the Dimensions of P^2/m, where P is the momentum and m is the mass?

If the potential difference between the plates of a capacitor with capacitance C is 4V, how much charge will accumulate on each of its plate?

Value of solar constant on the surface of Earth is:

Electric potential is a quantity.

If a voltage of 9V is applied between ends of a wire whose resistance is 0.2 ohm, what will be the resulting current?

NTS 2015 SMBBMC
Physics
Current Electricity
Elimination Tool:

e/m for an electron is ______, when the charge of an electron is 1.6 x 10-19C and mass of electron is 9.1 x 10-31kg.

NUMS 2019 Reconduct
Physics
Electrostatics
Elimination Tool:

Beta particles are the particles emitted from the _____ of an atom.

NTS 2016 SMBBMC
Physics
Nuclear Physics
Elimination Tool:

If each particle of fluid is passing through the same point, what would be the flow?

NUMS Mock 1
Physics
Fluid Dynamics

The physical quantity which produces angular acceleration in the body is

NUMS 2014
Physics
Circular Motion and Momentum
Elimination Tool:

Debroglie wavelength for an electron and proton moving at same speed are L and 1; respectively. And frequencies are Fe and Fp respectively. Which of the following is corrract.

A shock wave is produced due to an earthquake which makes the buildings move in the direction of the shock wave. Which progressive wave would this be?

NUMS Mock 3
Physics
Wave Motion and Sound

The wavelength of X-rays is:

The number of revolutions In 3p1 radians

The unit of velocity is:

PMC Sample 2
Physics
Measurements
Elimination Tool:

A ball is thrown vertically upward with a velocity of 98 m/s. How long does it take to reach its highest point?

NTS 2016 SMBBMC
Physics
Motion in Two Dimensions
Elimination Tool:

A ball moving horizontally with speed ‘v’ strikes the bob of a simple pendulum at rest. The mass of the bob is equal to that of the ball if the collision is elastic the bob will rise to a height:

NTS 2010
Physics
Circular Motion and Momentum
Elimination Tool:

Which is most sensitive to human eye?

If the angle b/w electric field and vector area A is rr/3 then electric flux will be?

In a pure resistive circuit current and voltage are

Maximum efficiency of half wave rectifier is:

PMC Practice 11
Physics
Electronics
Elimination Tool:

Two bodies ‘x’ and ‘Y’ are attached to the ends of a string which passes over a pulley so that the two bodies hang vertically. If the mass of the body ‘x’ is 5 kg and that of body ‘Y’ is 4.8 kg. Find the acceleration?(g = 9.8 m/s^2)

NUMS Mock 1
Physics
Forces and Motion

The velocity of a particle is related to time according to the equation

V= ct3. The dimensions of constant are _______.

NTS 2019
Physics
Measurements
Elimination Tool:

An electron moving with velocity v has momentum 3 x 10 -26 Kg.m/s. The de Broglie wavelength associated with it is ______. Value of h = 6.63 x 10-34 is.

NTS 2019
Physics
Dawn of Modern Physics
Elimination Tool:

least distance of distinct vision

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

UHS 2018
Physics
Oscillations and Simple Harmonic Motion
Elimination Tool:

A value for the acceleration of free fall on earth is given as (10+-2) m s-2. Which statement is correct?

ETEA 2017
Physics
Measurements
Elimination Tool:

Which of the following quantity has the dimension MLT^-1

The time period of a seconds pendulum on the surface of moon becomes:

NUMS Mock 3
Physics
Oscillations and Simple Harmonic Motion

Least count of micrometer screw gauge is

________ are very high energy electromagnetic radiations of the extremely short wavelength emitted from the nuclei of radioactive atoms originating from the high energy transitions of the nucleons in the nuclei.

NTS 2015 DUHS and JSMU
Physics
Atomic Spectra
Elimination Tool:

If an Electromagnetic wave is plane polarized, then the direction of electric field and magnetic field will be

Unit of induced emf is

A wire of area of cross section ‘A’ and original length ‘l’ is subjected to a load
‘L’. A second wire of the same material with an area is ‘2A’ and length ‘2l’ is
subjected to the same load ‘L’. If the extension in the first wire is ‘X’ and the second
wire is ‘Y’, find the ratio ‘X/Y’.

UHS 2015
Physics
Physics of Solids
Elimination Tool:

The binding per nucleon of deuteron (21H) and helium nucleus (42He) are 1.1 MeV and 7 MeV respectively. If two deuterons merge to form a single helium nucleus, the energy released will be:

NUMS 2019 Cancelled
Physics
Nuclear Physics
Elimination Tool:

In photodiodes, the bias voltage is applied in ______ bias form.

NTS 2016 DUHS & JSMU
Physics
Electronics
Elimination Tool:

The torque will be greater if:

NTS 2011
Physics
Circular Motion and Momentum
Elimination Tool:

A special class of waves that does not need a material medium for their propagation are called

NUMS Mock 4
Physics
Physics of Solids
Wave Motion and Sound

Example(s) of spin motion is/are:

NTS 2011
Physics
Circular Motion and Momentum
Elimination Tool:

Two forces equal in magnitude but opposite In direction and not acting along the same line constitute a couple. The movement of this couple will be:

NTS 2018
Physics
Forces and Motion
Elimination Tool:

Kelvin, is the unit of thermodynamic temperature, which is ________ of the thermodynamic temperature of the triple point of water.

NTS 2015 DUHS and JSMU
Physics
Heat and Thermodynamics
Elimination Tool:

1m = inches

A stone attached to a rope which is whirled in a circle. If the rope breaks during the motion, the stone will move:

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:

The K.E. of a body of mass 2kg and momentum of 2N is:

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

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:

theory of was Relativity proposed by

For a satellite so that it could stay over the same point on Earth’s surface the orbital radius r is given by ________.

NUMS 2019 Reconduct
Physics
Gravitation
Elimination Tool: