Capacitance increases by

Impedance in RLC series circuit Is given by

Transformer cannot step up

Name the scientist who won the noble prize for discovery of energy quanta

If modulated signal frequency is represented by fm, carrier frequency by fc, fmin and fmax represent minimum and maximum values respectively, then the lower sideband refers to the range:

NTS 2016 SMBBMC
Physics
Wave Motion and Sound
Elimination Tool:

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:

The light we see is:

PMC 2021 Tested
Physics
Electromagnetic Waves
Elimination Tool:

Equation of continuity is expressed as:

NUMS 2018
Physics
Fluid Dynamics
Elimination Tool:

Pa m² is the unit of

An object of mass 2kg has a velocity of 6m/s. After 8 seconds, its velocity increases to 10 m/s.
Calculate the power of the object

If a pipe is closed at one end and open at the other, the closed end is a:

PMC Sample 3
Physics
Oscillations and Simple Harmonic Motion
Elimination Tool:

The distance between two fringes in double slit experiment is directly proportional to

The electron current is chiefly due to:

NUMS Mock 4
Physics
Wave Motion and Sound

Conversion of heat energy completely into work violates:

NUMS 2014
Physics
Heat and Thermodynamics
Elimination Tool:

The minimum distance between an object and its real image in a convex lens is

How much more thumb pressure must a nurse use to administer an injection with a hypodermic needle of inside diameter 0.30 mm compared to one with inside diameter 0.60 mm? Assume that the two needles have the same length and that the volume flow rate is the same in both cases.

NUMS Mock 1
Physics
Fluid Dynamics

If M and m represent the mass of Earth and mass of a satellite respectively; then the orbital speed v of satellite in a circular orbit of radius r around Earth will be:

NUMS 2019 Cancelled
Physics
Gravitation
Elimination Tool:

The direction of the magnetic line of force depends upon:

NUMS 2016
Physics
Magnetism and Electromagnetic Induction
Elimination Tool:

The direction of current through the load resistance of a full-wave rectification circuit:

UHS 2019
Physics
Alternating Current
Elimination Tool:

Which of the following statement shows that no work is done?

UHS 2019
Physics
Work, Power and Energy
Elimination Tool:

One of the following is an Ohmic device:

PMC 2020
Physics
Current Electricity
Elimination Tool:

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:

If an electron undergoes transition from 4th to 2nd orbit, then the color of radiations produced will be:

In microwave ovens ____ is used to heat the food

PMC Practice 33
Physics
Electromagnetic Waves
Elimination Tool:

Fluorescence is produced when cathode rays strike on:

PMC 2021 Tested
Physics
Dawn of Modern Physics
Elimination Tool:

Which quantity is a scalar quantity

PMC Sample 3
Physics
Scalars and Vectors
Elimination Tool:

_______ is a device which makes use of mutual induction for stepping up or down an alternating e.m.f.

NTS 2012
Physics
Magnetism and Electromagnetic Induction
Elimination Tool:

If the length of a current carrying solenoid is doubled keeping the number of turns same and the current is increased to 9 times, the value of magnetic field compared to the original magnetic field B will be:

The slope of distance – time graph will always be:

PMC 2020
Physics
Motion in Two Dimensions
Elimination Tool:

Power of RCL circuit at resonance Is?

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

NUMS 2015
Physics
Circular Motion and Momentum
Elimination Tool:

When the length of simple pendulum is doubled, the ratio of its new time period to old time period is:

UHS 2019
Physics
Oscillations and Simple Harmonic Motion
Elimination Tool:

If capacitor is connected with battery and is fully charged then

As the temperature of the black body is raised, the black body radiations become richer in:

NUMS 2015
Physics
Heat and Thermodynamics
Elimination Tool:

The central fringe in a diffraction pattern obtained by using a single slit is?

Center of gravity of a cup Iles

X-rays are also known as:

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

Two bodies X of mass 4kg  and Y of mass 6 kg have same linear momentum. If the kinetic energy of Y is 48 J then kinetic energy of body X is:

The power of a concave lens is

The electrical signals change into light signals for transmission through optical fibre. A light pulse
represent.

Confining of wave into one plane is called

If current passing through a solenoid is increased, which of the following must increase:

A bullet of mass 20g leaves the gun with a velocity of 200 m/s. If the mass of gun is 2kg then the speed of recoil of the gun is:

NUMS 2019 Cancelled
Physics
Forces and Motion
Elimination Tool:

Flux passing through an area does not depend upon

A magnetic needle is placed in a uniform magnetic field and is aligned with the field. The needle is now rotated by an angle of 60 degrees and work done is W. The torque on the magnetic needle at this position is

NUMS 2014
Physics
Magnetism and Electromagnetic Induction
Elimination Tool:

Electron volt is the unit of

When the aircraft Concorde is moving in a horizontal plane at a constant speed of 650 ms-1, its turning circle has a radius of 80 km. What is the ratio of the centripetal force to the weight of the aircraft? (g = 9.8 m/s2)

NTS 2013
Physics
Circular Motion and Momentum
Elimination Tool:

Initial velocity of the object with which it goes out of the Earth’s gravitational field, is called:

NUMS 2020
Physics
Gravitation
Elimination Tool:

Sky appears blue due to?

When photons are incident on a metal, electrons are emitted. The process is called:

NTS 2016 SMBBMC
Physics
Dawn of Modern Physics
Elimination Tool:

The branch of Physics in which we study the properties of light and its applications on optical instruments is called?

The unit of velocity is:

PMC Sample 2
Physics
Measurements
Elimination Tool:

Which of the following Is true for a wave entering a denser medium?

A Black body is?

In hydrogen spectrum, Lyman and Balmer series belong to which region?

In S.H.M which of the following remains constant?

What will be the energy in Joules, when an electron acquires a speed of 10 m/s?

NTS 2016 DUHS & JSMU
Physics
Dawn of Modern Physics
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:

Consider an object placed on a frictionless inclined plane at a height of 5m , if it is released, what will be its velocity at the bottom of the inclined plane?

NUMS 2017
Physics
Forces and Motion
Elimination Tool:

While using radiation therapy, cancerous thyroid is treated with ____ radioisotope:

PMC 2020
Physics
Nuclear Physics
Elimination Tool:

If a convex lens of large aperture fails to converge the light rays incident on it to a single point, it is said to
suffer form

Value of Wien’s constant is?

A force F = 0.12 N is applied on a spring and the spring elongates by 3 cm. The specific constant of the spring is?

NUMS Mock 2
Physics
Oscillations and Simple Harmonic Motion

The entropy of the universe always:

NUMS Mock 3
Physics
Heat and Thermodynamics

In water pipes, ____ is used to detect leakages.

PMC 2021 Tested
Physics
Electromagnetic Waves
Elimination Tool:

Speed and Pressure relation of a fluid is given by:

In which of the following the pn Junction is used?

If the dot product of vectors Is equal to product of their magnitudes, the angle between them

A 400 gram ball is tied to the end of a cord and whirled in à horizontal circle of radius 0.6 m. If the ball makes five complete revolutions in 2 s, what is the ball’s linear speed?

NTS 2016 DUHS & JSMU
Physics
Circular Motion and Momentum
Elimination Tool:

If the temperature of diode increases the leakage current will

PMC Sample 2
Physics
Electronics
Elimination Tool:

If a car collides with a housefly, what will be the magnitude of the force experienced by the housefly?

NTS 2018
Physics
Forces and Motion
Elimination Tool:

Compression of gas under constant temperature is process:

A double convex lens acts as a diverging lens when the object is placed

A 3-cm length of wire is moved at right angles across a uniform magnetic field with a speed of 2.0 m/s . If the flux density is 5.0 teslas, what is the magnitude of the induced e.m.f?

NUMS Mock 1
Physics
Magnetism and Electromagnetic Induction

Negative strain indicates that

A Lead ball and a feather are dropped in vacuum both at the same time. Which of the following will be true:

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:

1 rad is equal to how many degrees

For one mole of gas, the relation for specific heat capacity at constant pressure ‘Cp’ and at constant volume ‘Cv’ is ________.

NUMS Mock 1
Physics
Heat and Thermodynamics

What is the speed of 2.0 kg metallic bob at the mean position of a simple pendulum, when released from its extreme position 0.5m high? (g = 10 ms-2)

PMC 2020
Physics
Work, Power and Energy
Elimination Tool:

What are dimensions of Magnetic Flux

Projectile must be launched at which angle with the horizontal to attain maximum range?

NTS 2011
Physics
Motion in Two Dimensions
Elimination Tool:

The photocell is similar to:

PMC Practice 5
Physics
Dawn of Modern Physics
Elimination Tool:

Lenz’s law in electromagnetic induction is the direct consequence of the principle of conservation of:

NUMS Mock 2
Physics
Magnetism and Electromagnetic Induction

Electric field strength of a point charge is E and electric potential is V, at a distance ‘r’ from the point charge. What is the electric potential at a point for the same point charge where electric field strength is E/4?

UHS 2019
Physics
Electrostatics
Elimination Tool:

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

NUMS 2019 Reconduct
Physics
Measurements
Elimination Tool:

A pendulum is placed at Lahore, Murree, and K2. At which location will the frequency of Pendulum be maximum?

If the potential at a point which is 1m from a charge is 1 volt, then the potential at a point which is 2m from the same charge will be:

PMC 2020
Physics
Electrostatics
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:

The half-life of Iodine Is