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

Reactance of an Inductor Is given by:

Which statement describes the electric potential difference between two points in the electric field of charge Q?

NTS 2019
Physics
Electrostatics
Elimination Tool:

Which of the following rectifier uses a wheatstone bridge to rectify signals?

PMC Practice 13
Physics
Electronics
Elimination Tool:

Which of the following is not a type of rectifier?

PMC Practice 12
Physics
Electronics
Elimination Tool:

Path followed by a projectile is known as?

The physical quantity which produces angular acceleration in the body is

NUMS 2014
Physics
Circular Motion and Momentum
Elimination Tool:

A current of 4.4 amperes is following in a write. How many electrons pass a given point in the wire in one second, if the charge on an electron is 1.6×10-19
Coulomb?

NTS 2011
Physics
Current Electricity
Elimination Tool:

Unit of Momentum Is?

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:

Ball thrown freely from a tower reaches ground in 4s. The height of tower Is about

The use of a capacitor filter in a rectifier circuit gives satisfactory performance only when the load:

PMC Practice 3
Physics
Alternating Current
Elimination Tool:

The stationary waves can be set up on the string only with the frequencies of harmonic series determined by:

PMC Sample 3
Physics
Wave Motion and Sound
Elimination Tool:

A sphere of charge +Q is fixed in a position. A smaller sphere of +q is placed near the larger sphere and released from the rest. The small sphere will move away from the large sphere with?

NTS 2014
Physics
Electrostatics
Elimination Tool:

Refrigerator is an example of:

NUMS Mock 4
Physics
Heat and Thermodynamics

Chromatic aberration can be removed by using

If x and y are the input of the GATE, and z is the output, the following table represents:

A mass of 20 kg is lifted from the floor to a height of 2m in 4.9 sec. Calculate the power in Watts.

NUMS 2019 Reconduct
Physics
Work, Power and Energy
Elimination Tool:

A convex lens gives a virtual image only when the objects leis

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

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

NUMS 2020
Physics
Circular Motion and Momentum
Elimination Tool:

_____ 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

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

NUMS Mock 4
Physics
Magnetism and Electromagnetic Induction

1 kilowatt hour =

NUMS Mock 2
Physics
Work, Power and Energy

If the wavelength of K X-ray from Cu is 1.337 x 10-10m, then the energy difference between two levels from which transition results will be:

NUMS 2019 Cancelled
Physics
Atomic Spectra
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:

A 4.0 m long wire is subjected to stretching force and its length increases by 40 cm. The percent elongation which the wire undergoes is:

UHS 2013
Physics
Physics of Solids
Elimination Tool:

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

A force of 10 N is acting on an object at angle of 120 degree through the distance of 4 m. Calculate the work done.

1. a) – 20 j b) 20 /

AC is converted to D.C by:

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:

The distance between two consecutive antinodes is equal to:

NUMS 2018
Physics
Wave Motion and Sound
Elimination Tool:

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

NTS 2014
Physics
Nuclear Physics
Elimination Tool:

Induced emf depends upon:

A car is traveling with uniform acceleration along a straight road. The road has marker posts every 100 m. When the car passes one post, it has a speed of 10 m/s and when it passes the next one, its speed is 20 m/s. What is the car’s acceleration?

NTS 2017
Physics
Motion in Two Dimensions
Elimination Tool:

Law of heat exchange is used to determine:

NTS 2018
Physics
Heat and Thermodynamics
Elimination Tool:

Unit of capacitance is:

What is the range of typical band gap in conductors

PMC Sample 3
Physics
Alternating Current
Elimination Tool:

Energy of sound waves is proportional to:

A 10 nanofarad (10 x 10-9 F) parallel plate capacitor holds a charge of magnitude 50 µC on each plate.If the plates are separated by a distance of 0.885mm, what is the area of each plate?

NTS 2014
Physics
Electrostatics
Elimination Tool:

Blood pressure of a healthy person is mm Hg.

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:

For projectile motion, in the absence of air resistance:

NUMS Mock 1
Physics
Motion in Two Dimensions

Simple Harmonic Motion of a body is described by which statements mentioned below:

K : K.E is maximum when displacement x = 0

L : P.E is maximum when x = 0

M : P.E is maximum when x = ± x0

NUMS Mock 2
Physics
Oscillations and Simple Harmonic Motion

The laws of motion show the relation between

A lens, which is thicker at the center and thicker at the edges, is called.

If the temperature of diode increases the leakage current will

PMC Sample 2
Physics
Electronics
Elimination Tool:

Entropy is the measure of of a system

What is the work done by a body moving with 1 m/s velocity in circular orbit of radius 10m?

The ratio of angular speed of moon around the Earth to its angular speed about its own axis is:

NUMS Mock 3
Physics
Circular Motion and Momentum

In an astronomical telescope, the lens called eyepiece forms an image of a distant object that is:

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

A 100 kg golf ball is moving to the right with a velocity of 20 m/s. It makes a head on collision with an 8 kg steel ball, initially at rest. The two balls get stuck together. What will the velocity of these two balls after collision?

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

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

If the velocity of the body is decreasing, the acceleration is negative. The negative acceleration is known as:

NTS 2015 SMBBMC
Physics
Motion in Two Dimensions
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:

Microwaves are _______ waves.

PMC 2021 Tested
Physics
Electromagnetic Waves
Elimination Tool:

Due to the magnetic force, a positively charged particle executes uniform circular motion within a uniform magnetic field ‘B’. If the charge is ‘q’ and radius of its path is r, which of the expressions gives the magnitude of the particle’s linear momentum:

NTS 2010
Physics
Magnetism and Electromagnetic Induction
Elimination Tool:

Which unit is used in the measurement of Displacement?

PMC Practice 4
Physics
Scalars and Vectors
Elimination Tool:

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

NUMS 2019 Reconduct
Physics
Nuclear Physics
Elimination Tool:

If the length of pendulum is increased 4 times, the new time period will be?

What is the unit of Power

Laser light is

22320 cal heat is supplied to 100g of ice at zero degree centigrade. If the latent heat of fusion of ice is 80 cal /g and latent heat of vaporization of water is 540 cal/g the final amount of water thus obtained and its temperature respectively are:

NUMS 2014
Physics
Heat and Thermodynamics
Elimination Tool:

Alpha particle has

The charge of a photon is:

PMC Sample 1
Physics
Dawn of Modern Physics
Elimination Tool:

For an ideal step-up transformer Ps ——- Pp.

PMC Practice 8
Physics
Alternating Current
Elimination Tool:

A proton has mass m and charge q. It is suspended in electric and gravitational field. What is the magnitude of electric field?

PMC Sample 3
Physics
Electrostatics
Elimination Tool:

What are the units of a and b In v = a + bt, where unit of v=ms^-1 and t=s

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

1 degree Is equal to radians

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:

In a ripple tank, 40 waves pass through a certain point in one second. If the wavelength of the waves is 5 cm, then find the speed of the wave:

NUMS 2020
Physics
Wave Motion and Sound
Elimination Tool:

A car of mass 1200 kg initially at rest has been accelerated to a speed of 8 m/s in 16 meters. Average acceleration of the car is ______ m/s2? And force is _____ N?

NUMS Mock 3
Physics
Forces and Motion

The SI unit of mass is?

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:

A traveling wave, in which the particles of the disturbed medium move perpendicular to the direction of propagation of the wave is called:

NUMS 2019 Reconduct
Physics
Wave Motion and Sound
Elimination Tool:

Density of blood is:

NUMS 2016
Physics
Fluid Dynamics
Elimination Tool:

Half-life of iodine-131 is 8 days. If 20mg is present initially. How much iodine is left behind after 2 half-lives?

NUMS 2020
Physics
Nuclear Physics
Elimination Tool:

The energy stored inside a capacitor is given by the relation:

NUMS Mock 3
Physics
Electrostatics

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

Let L be the length and d be the diameter of the cross section of a wire. Wires of the same material with different L and d are subjected to the same tension along the length of the wire. In which of the following cases the extension of wire will be the maximum?

NUMS 2019 Cancelled
Physics
Physics of Solids
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:

Ideal fluid is:

NUMS 2018
Physics
Fluid Dynamics
Elimination Tool:

Which of the following Is not true about radioactivity?

Identify the dimensions of area, velocity and acceleration respectively: ( where L= Length, T=Time)

NTS 2015 SMBBMC
Physics
Measurements
Elimination Tool:

Which of the following is CORRECT for photons?

PMC 2021 Tested
Physics
Electromagnetic Waves
Elimination Tool:

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

UHS 2018
Physics
Work, Power and Energy
Elimination Tool:

Input resistance of an Operational Amplifier is:

NUMS 2019 Reconduct
Physics
Electronics
Elimination Tool:

RLC circuit can be excited by