What will be the velocity of a body revolving In a circle of radius 2m with an angular velocity of 1 rev/sec?

A parallel plate capacitor has a capacitance C. If the distance between the two plates is halved, the capacitance will be?

NUMS Mock 3
Physics
Electrostatics

What will be the energy of electron travelling at 10^7 m/s

In an inelastic collision, Momentum is _____ and Kinetic Energy is ______ respectively.

NUMS 2019 Reconduct
Physics
Forces and Motion
Elimination Tool:

What will be the position of the object, when a convex lens of focal length 20 cm, is used to form an erect image which is twice as large as the object?

NTS 2016 DUHS & JSMU
Physics
Optics, Nature of Light and Optical Instruments
Elimination Tool:

The deviation of I-V graph from straight line is due to:

NUMS Mock 1
Physics
Current Electricity

Whenever the average and instantaneous velocities are equal the body is said to have a:

NTS 2016 SMBBMC
Physics
Motion in Two Dimensions
Elimination Tool:

The centripetal acceleration formula is given as:

PMC Sample 1
Physics
Circular Motion and Momentum
Elimination Tool:

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

NUMS Mock 2
Physics
Dawn of Modern Physics

A conductor of length L is moved across a magnetic field. Due to this activity, a potential difference appears across the ends of the conductor. This type of potential difference is termed as:

NTS 2018
Physics
Magnetism and Electromagnetic Induction
Elimination Tool:

In a Young’s double-slit experiment, fringes are very close to each other. How can we increase the distance between fringes?

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

Two vectors of magnitude 10m and 20m have an angle 30° between them. The component of shorter vector parallel to the longer vector will be:

A full wave rectifier uses load resistor of 1500 Ω. Assume the diodes have Rf= 10 Ω, Rr= ∞. The voltage applied to diode is 30V with a frequency of S0Hz. Calculate the AC power input.

PMC Practice 14
Physics
Electronics
Elimination Tool:

A disc, a hoop, and a sphere of the same mass and radius are rolled down from a frictionless, inclined plane. Which has a greater speed on reaching the ground?

NUMS 2015
Physics
Circular Motion and Momentum
Elimination Tool:

) Twin paradox Is consequence of?

If an object sinks in the water, then

A travelling wave, in which the particles of the distributed medium, move parallel to the direction of propagation of the wave is called:

NTS 2019
Physics
Wave Motion and Sound
Elimination Tool:

Power factor in an AC circuit Is?

RLC circuit can be excited by

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

NTS 2014
Physics
Heat and Thermodynamics
Elimination Tool:

Weber x ampere per meter is equal to:

NUMS 2016
Physics
Magnetism and Electromagnetic Induction
Elimination Tool:

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

NTS 2014
Physics
Current Electricity
Elimination Tool:

According to Bohr’s theory of Hydrogen atom, only those atomic orbits with radii ‘r’ and atomic shell ‘n’ around the nucleus are allowed which have the angular moments:

NTS 2016 DUHS & JSMU
Physics
Atomic Spectra
Elimination Tool:

Acceleration in the simple pendulum is always _______ to displacement.

PMC Practice 4
Physics
Oscillations and Simple Harmonic Motion
Elimination Tool:

Four particles independently move at the same speed in a direction perpendicular to the same magnetic field. Which particle is deflected the most?

NTS 2017
Physics
Magnetism and Electromagnetic Induction
Elimination Tool:

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:

A real image formed by convex lenses is always:

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

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:

Longitudinal standing wave, in second harmonic mode, is established in a tube that is open at both ends. The length of the tube is 0.8m. What is the wavelength of the waves that make up the standing wave?

PMC Practice 10
Physics
Electromagnetic Waves
Elimination Tool:

In single slit diffraction, when wavelength lameda increases:

PMC Practice 20
Physics
Electromagnetic Waves
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.

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

UHS 2018
Physics
Work, Power and Energy
Elimination Tool:

One of the following is a photoconductor :

PMC Practice 20
Physics
Physics of Solids
Elimination Tool:

A force which is experienced in a magnetic field depends on:

NTS 2011
Physics
Magnetism and Electromagnetic Induction
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:

When light enters from air to glass remains constant?

If the magnitude of vectors A, B and C is 12, 5 and 13 units respectively and A + 13 = What will be the angle between vectors A and B?

The number of diodes in bridge rectifier is

PMC Sample 3
Physics
Alternating Current
Elimination Tool:

An atom would be neutral if it has equal number of:

PMC Practice 5
Physics
Atomic Spectra
Elimination Tool:

The lightest element which exhibits radioactivity is:

NTS 2017
Physics
Nuclear Physics
Elimination Tool:

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 the mass and radius of Earth arc reduced to one fourth, the escape velocity will.

At resonance, the RLC circuit behaves like:

A bullet on penetrating 30cm into its target loses its velocity by 50%. What additional distance will it penetrate into its target before it comes to rest?

NUMS 2014
Physics
Motion in Two Dimensions
Elimination Tool:

Instantaneous velocity is:

PMC Practice 1
Physics
Scalars and Vectors
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?

NTS 2019
Physics
Forces and Motion
Elimination Tool:

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

Electron volt is the unit of

Unit of permittivity in free space is?

Alpha rays are nuclear radiations. They are in fact same as _____ nuclei.

NUMS 2018
Physics
Nuclear Physics
Elimination Tool:

Length of the telescope is:

NTS 2015 SMBBMC
Physics
Optics, Nature of Light and Optical Instruments
Elimination Tool:

The time period of a wave is 1/4 sec. How long does it take 20 complete waves to pass a point?

PMC Sample 1
Physics
Wave Motion and Sound
Elimination Tool:

If length of solenoid gets doubled while keeping N (number of turns) constant, the resultant magnetic field will be?

Equations of kinetics are valid only when the acceleration is:

NTS 2018
Physics
Forces and Motion
Elimination Tool:

Consider two capacitors with capacitance 2µF and 4µF. With which type of connection will the 4µF capacitor have a greater amount of stored energy than the 2µF capacitor?

PMC Practice 2
Physics
Alternating Current
Elimination Tool:

The number of revolutions In 3p1 radians

The fractional change in resistance per kelvin is known as:

NUMS 2016
Physics
Current Electricity
Elimination Tool:

If the spring is halved, the new spring constant of each part will be:

for normal adjustment, length of astronomical telescope is

The amount of heat provided to a system at constant pressure (qp) is equal to _______.

NTS 2012
Physics
Heat and Thermodynamics
Elimination Tool:

1 radian is equal to:

PMC 2020
Physics
Circular Motion and Momentum
Elimination Tool:

If a gas is heated at constant pressure, which of the following description(s) will apply?

I. The volume increased is proportional to the temperature

II. The kinetic energy of the molecules decrease

III. The kinetic energy of the molecules increases

NUMS Mock 4
Physics
Heat and Thermodynamics

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

NUMS Mock 1
Physics
Circular Motion and Momentum

Energy stored in capacitor is represented by.

The volume of a gas at constant pressure increases by 2% when the temperature is increased by 5 K, It’s initial temperature is:

NUMS 2016
Physics
Physics of Solids
Elimination Tool:

On the ground, the gravitational force on a satellite is W. What is the gravitational force on the satellite when at a height R/50, where R is the radius of the Earth?

NTS 2013
Physics
Gravitation
Elimination Tool:

The beat frequency is given by:

NUMS 2014
Physics
Wave Motion and Sound
Elimination Tool:

If length of simple pendulum is increased four times what will be effect on its frequency?

When fluid is incompressible, it means:

NUMS 2018
Physics
Fluid Dynamics
Elimination Tool:

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

NTS 2017
Physics
Oscillations and Simple Harmonic Motion
Elimination Tool:

A line normal to the wavefront, showing the direction of the propagation of light is called the:

PMC Practice 2
Physics
Optics, Nature of Light and Optical Instruments
Elimination Tool:

A car going around a certain curve at a speed of 25 km/h has a centripetal force acting on it of 100 N. If the speed of the car is doubled, the centripetal force:

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

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:

A circuit in which there is a current of 10 amperes is changed so that the current falls to zero in 0.5 seconds. If an average e.m.f. of 400 volts is induced, what is the self-inductance of the circuit?

NTS 2015 DUHS and JSMU
Physics
Magnetism and Electromagnetic Induction
Elimination Tool:

Work is a

PMC Sample 2
Physics
Scalars and Vectors
Elimination Tool:

A body of mass 4 kg attached to a spring is displaced through 0.04 m from its equilibrium position and then released. If the spring constant is 400 N/m, find the time period of the vibration?

NTS 2016 DUHS & JSMU
Physics
Oscillations and Simple Harmonic Motion
Elimination Tool:

1 pascal = atm

A simple pendulum is suspended from the ceiling of a lift has a time period T when the lift is at rest. when it fall freely

Reactance of an Inductor Is given by:

The physical quantity which produces angular acceleration in the body is

NUMS 2014
Physics
Circular Motion and Momentum
Elimination Tool:

If stress is applied on a body then the ratio of change in volume to original volume will be:

NUMS 2016
Physics
Physics of Solids
Elimination Tool:

In SHM is conserved

Torsion balance is used to measure:

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

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?

Rate of change in displacement is known as:

PMC Sample 1
Physics
Forces and Motion
Elimination Tool:

A quantity ? is to be determined from the equation, ? = ? – ?. ? is measured as (1.27 ± 0.02) ? and ? is measured as (0.83 ± 0.01) ?. What is the percentage uncertainty in ? to one significant figure?

ETEA 2018
Physics
Measurements
Elimination Tool:

Unit of power of a lens is