Muon has charge of?

Polarization explains light is ———

PMC Practice 8
Physics
Electromagnetic Waves
Elimination Tool:

Nucleus with an excess of neutrons may decay radioactivity with the emission of:

NTS 2017
Physics
Nuclear Physics
Elimination Tool:

Which list shows electromagnetic waves in order of increasing frequency?

ETEA 2018
Physics
Electromagnetic Waves
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:

What is the name of the energy which is released when an atom is formed from its constituent particles?

NUMS Mock 3
Physics
Nuclear Physics

Applications of laser is/are:

NTS 2011
Physics
Electromagnetic Waves
Elimination Tool:

In hot day white clothes are worn because they are good

Value of h Is:

Which of the following gives the correct expression of Decay Constant?

The polarization of light by tourmaline crystals is due to the ______effect.

NTS 2019
Physics
Optics, Nature of Light and Optical Instruments
Elimination Tool:

How many neutrons are released during fusion of two deuterons?

The linear magnification produced by a lens is defined as the ratio of the:

I. Size of the image to the size of object

II. Size of the lens to the size of object

III. Size of the lens to the size of the image

NTS 2013
Physics
Optics, Nature of Light and Optical Instruments
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:

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

Bright Lines in pattern show:

PMC Practice 5
Physics
Atomic Spectra
Elimination Tool:

If the direction of current in two parallel wires is In opposite direction, then the wires will:

A pendulum oscillates on x-axis between 10 cm and 50 cm. Calculate its amplitude

When an electron jumps from outer to 5th orbit, then the spectral lines fall into region.

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:

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

NUMS 2018
Physics
Fluid Dynamics
Elimination Tool:

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:

Pa m² is the unit of

What force should be applied on a 10 kg body so that it moves down in a vacuum with an acceleration of 3 m/s2 ? (Take g=9.8 m/s2)

NUMS Mock 3
Physics
Forces and Motion

The total energy of a block, executing simple harmonic motion is:

NUMS Mock 1
Physics
Oscillations and Simple Harmonic Motion

The force constant k1 and k2 of two springs are in a ratio of 5 : 4. They are stretched by the same length, if the potential energy stored in one spring is 25 J then the potential energy stored in the second spring is:

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

A vector such as the velocity of a body undergoing uniform translational motion, which can be displaced parallel to itself and applied to any point is known as:

NTS 2010
Physics
Scalars and Vectors
Elimination Tool:

What will be the energy of an X-ray quantum of wave length 1.0 x 10-10 m?

NTS 2016 SMBBMC
Physics
Dawn of Modern Physics
Elimination Tool:

Which of the following affects our eye?

Orange light in a vacuum has a wavelength of 600 nm. What is the frequency of this light?

ETEA 2018
Physics
Electromagnetic Waves
Elimination Tool:

Which of the following is not a S.I. base quantity.

NUMS 2018
Physics
Measurements
Elimination Tool:

The concept of work function was given by:

PMC Sample 2
Physics
Dawn of Modern Physics
Elimination Tool:

The electron current is chiefly due to:

NUMS Mock 4
Physics
Wave Motion and Sound

if a hole is dug to the center of earth and a ball is dropped in it, the ball will:

Photocell is similar to:

PMC Sample 2
Physics
Dawn of Modern Physics
Elimination Tool:

In a scanning electron microscope, image formed is:

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

Sky appears blue due to?

Which of the following particles has greater wavelengths having the same velocity?

NUMS 2019 Reconduct
Physics
Optics, Nature of Light and Optical Instruments
Elimination Tool:

Why picture on a TV screen become distorted when a magnet is brought near the screen?

NUMS Mock 2
Physics
Magnetism and Electromagnetic Induction

The total energy of a block, executing simple harmonic motion is:

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

To double the total energy for a mass-spring system oscillating in SHM, by what factor must the amplitude increase?

NUMS 2015
Physics
Oscillations and Simple Harmonic Motion
Elimination Tool:

A 1.75 m tall weight-lifter raises a weight of mass 50 kg to a height of 0.5 m above its head. How much work is being done by it? (g = 10 ms-2)

PMC 2020
Physics
Work, Power and Energy
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 of the following types of force can do no work on the body on which it operates?

NTS 2016 SMBBMC
Physics
Forces and Motion
Elimination Tool:

Which of the following phenomenon proves that light waves are transverse waves?

PMC Practice 4
Physics
Electromagnetic Waves
Elimination Tool:

Magnetic force on a moving charge depends upon:

NTS 2016 SMBBMC
Physics
Magnetism and Electromagnetic Induction
Elimination Tool:

If two or more resistors are joined to each other side by side, this combination is called:

NUMS 2018
Physics
Current Electricity
Elimination Tool:

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

A proton Is moving in direction of negative x-axis, what will happen to it if potential difference of V = -10x + 7 is applied across the field.

Ideal fluid is:

NUMS 2018
Physics
Fluid Dynamics
Elimination Tool:

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

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

The time of open vibration of a simple pendulum may be decreased by:

NTS 2017
Physics
Oscillations and Simple Harmonic Motion
Elimination Tool:

Which of the following is a unit of Work?

Rain is vertically downwards with the velocity of 30m/s , a wind blows from north to south direction with 10m/s then at what angle should the umbrella of the person be held and in which

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:

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

UHS 2011
Physics
Fluid Dynamics
Elimination Tool:

A D.C generator is converted in A.C generator by

During isothermal process which of the following remains constant:

A ballistic missile is

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:

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

NTS 2012
Physics
Nuclear Physics
Elimination Tool:

The main difference between X rays and Y rays is:

PMC 2020
Physics
Optics, Nature of Light and Optical Instruments
Elimination Tool:

If an object is placed away form ‘2f’ of a converging lens, then the image will be

Spectral lines is like a __________ of absorbed or emission energy in a spectrum.

PMC Sample 3
Physics
Atomic Spectra
Elimination Tool:

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

Unit of Angular Momentum? a) Kg m2 s’1b) c) Js-1 d) Both a and b

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 Mock 2
Physics
Motion in Two Dimensions

A wire of resistance R is bent in the form of a circle the resistance between two points on the circumference of the wire and at the end of the diameter of circle is

NUMS Mock 4
Physics
Current Electricity

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:

Electron volt is the unit of

Mass of a body with speed of light approaches to:

The interference of green photon to red photon will cause:

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

Light rays coming from the tube light are

The area under force-displacement graph gives us:

NUMS 2020
Physics
Forces and Motion
Elimination Tool:

An aeroplane is flying in a straight line at a constant altitude. If a wing gust strikes and raises the nose of the airplane, the nose will bob up and down until the plane eventually returns to its original position. These oscillations are:

NUMS Mock 3
Physics
Oscillations and Simple Harmonic Motion

A stationary wave is formed in a pipe which is open at one end. If length of pipe is L, then what is the maximum possible wavelength of the wave.?

PMC Practice 20
Physics
Electromagnetic Waves
Elimination Tool:

The displacement has __________.

PMC Practice 2
Physics
Scalars and Vectors
Elimination Tool:

If a closed surface contains two equal and opposite The net electric flux from the surface will be

Terminal voltage Vi of the battery is greater than emf of the battery when:

NUMS 2020
Physics
Current Electricity
Elimination Tool:

Which of the following is dimensionless quantity?

NUMS 2018
Physics
Measurements
Elimination Tool:

in Damping

Which photon carries the most energy?

PMC 2020
Physics
Optics, Nature of Light and Optical Instruments
Elimination Tool:

Charge on an up-quark is:

1 pascal = atm

A gas is enclosed in a container fitted with a piston of cross-sectional area of 0.10 m2. The pressure of the gas is maintained at 8000 N/m2. When heat is slowly transferred, the piston is pushed up through a distance of 4.0 cm. If 42 J heat is transferred to the system during the expansion, what is the change in the internal energy of the system?

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

Escape velocity of moon is

Which of the following is the pair of isobars?

NUMS Mock 3
Physics
Nuclear Physics

Frequency of a travelling wave is 2000 Hz. Its speed is 300m/s. What is its wavelength?

PMC Sample 1
Physics
Wave Motion and Sound
Elimination Tool:

Temperature co-efficient of resistance is:

Which of the following has greater wavelength than red light?