The net charge flowing through any section of the conductor per unit time is known as?

NTS 2015 SMBBMC
Physics
Electrostatics
Elimination Tool:

The principle of an AC generator is.

NTS 2019
Physics
Alternating Current
Elimination Tool:

If a force of 2N acting through a moment arm of V2 rn produces a torque of V6 Nm, what is the angle between F and r.

In Nuclear reactions, we have the conservation of:

NTS 2017
Physics
Nuclear Physics
Elimination Tool:

In a half wave rectifier, the diode conducts during:

NUMS Mock 1
Physics
Electronics

The maximum efficiency of a half-wave rectifier is:

PMC Practice 3
Physics
Alternating Current
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:

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

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

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:

According to the first law of thermodynamics, ΔU = Q + W, where ΔU Is the increase in internal energy of the system, Q is the heat transferred to the system and W is the external work done on the system.
Which of the following is NOT a correct expression?

NTS 2010
Physics
Heat and Thermodynamics
Elimination Tool:

Which is evaporating cooler?

When interference between thin films occurs, the path difference between two interfering rays is 2t. If ‘n’ is the refractive index of the medium, the bright circles are obtained when ________ with m = 0, 1, 2, 3, …

NUMS 2019 Reconduct
Physics
Electromagnetic Waves
Elimination Tool:

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:

If a body is placed from poles to equator, the weight of the body will

Suppose A =4.1, and B= 3.26 and the result from calculator comes to be 1.00876543. What should be the correct number of significant figures In final answer If multiplication and division only?

Mass of a body with speed of light approaches to:

An automobile is moving forwards with uniform velocity due to the force exerted by its engine. If the force is doubled with the velocity remaining constant what happens to its total power?

NUMS Mock 4
Physics
Work, Power and Energy

The unit of the product of RC in the charging of a capacitor Is:

A body of mass m moving with velocity v has a kinetic energy. If its velocity is increased 25%. what will be the new K.E?

Value of Wien’s constant is?

The newton-second is the unit of:

PMC 2020
Physics
Circular Motion and Momentum
Elimination Tool:

A fixed mass of an ideal gas absorbs 1000 J of heat and expands under a constant pressure of 20 kPa from a volume of 25 x 10-3 m3 to a volume of 50 x 10-3 m3. What is the change in the internal energy of the gas?

NTS 2017
Physics
Heat and Thermodynamics
Elimination Tool:

Calculate the energy of a photon of wavelength 6600 angstroms.

PMC Sample 3
Physics
Atomic Spectra
Elimination Tool:

The half-life of a radioactive element depends upon:

NUMS Mock 4
Physics
Nuclear Physics

The ratio of tensile strength to tensile strain is called:

UHS 2012
Physics
Physics of Solids
Elimination Tool:

The half-life of C14 is approximately 5,730 years, while the half-life of C12 is essentially infinite. If the ratio of C14 to C12 in a certain sample is 25% less than the normal ratio in nature, how old is the sample?

NTS 2013
Physics
Nuclear Physics
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:

The distance between two consecutive antinodes is equal to:

NUMS 2018
Physics
Wave Motion and Sound
Elimination Tool:

Density of blood is:

NUMS 2016
Physics
Fluid Dynamics
Elimination Tool:

If during circular motion, tangential velocity of a body becomes double, then centripetal force becomes:

PMC 2020
Physics
Circular Motion and Momentum
Elimination Tool:

A spring in SHM oscillates between -A and A with time period T. If the spring starts from mean position and moves towards A, at what time will it be at a distance of A/2 from the mean position?

A body of mass m = 3.513 kg is moving along the x axis with a speed of 5.00 ms^-1 of  the magnitude of Its momentum Is recorded as

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

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

Simple oscillating circuit consists of?

The unit of temperature in base unit is:

UHS 2015
Physics
Measurements
Elimination Tool:

What Is absolute uncertainty In length of 10m measured by scale of precision of 0.1m?

The area under force-displacement graph gives us:

NUMS 2020
Physics
Forces and Motion
Elimination Tool:

The spin of a photon is:

PMC 2021 Tested
Physics
Dawn of Modern Physics
Elimination Tool:

Total energy of an electron in hydrogen atom when it Jumps to higher orbit from a lower orbit Is

The direction of the magnetic line of force depends upon:

NUMS Mock 2
Physics
Magnetism and Electromagnetic Induction

What will be the new Surface Density if Electric Intensity is increased to 3 times?

Find the heat transferred to or from the system when a thermodynamics system undergoes a process in which its internal energy decreases by 300 J. If at the same time, 120 J of work is done on the system.

NTS 2016 DUHS & JSMU
Physics
Heat and Thermodynamics
Elimination Tool:

What will be the speed a electron having an energy of 18.2 x10^14 Joule?

Fusion and fission reactions are associated with:

NTS 2012
Physics
Nuclear Physics
Elimination Tool:

Capacitors store

Laser beam can be used to generate three dimensional objects in a process called:

NUMS Mock 1
Physics
Optics, Nature of Light and Optical Instruments

Efficiency of the Carnot’s cycle will be 100% if the temperature of cold reservoir is:

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:

If a wire having current 10A has a 3T magnetic field, what will be the magnetic field at a point from the wire at double the distance?

NUMS Mock 3
Physics
Magnetism and Electromagnetic Induction

When reverse bias of a p-n junction diode is increased, a stage comes when electric field set up is sufficient to rupture covalent bonds and release a large number of holes and electrons. This breakdown phenomenon is known as:

NUMS 2018
Physics
Electronics
Elimination Tool:

Displacement of sun with respect to earth is

PMC Sample 2
Physics
Scalars and Vectors
Elimination Tool:

A charge is moving with velocity v, it enters a uniform electric field E. The direction of v and E are not parallel. What is the path of the charge particle inside the electric field?

PMC Sample 2
Physics
Electrostatics
Elimination Tool:

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

NUMS 2019 Reconduct
Physics
Nuclear Physics
Elimination Tool:

A body moving with velocity V can be stopped by a force F in direction of it. The same body moving with velocity 5 V can be stopped by a force 5F in distance equal to:

NUMS 2017
Physics
Forces and Motion
Elimination Tool:

A circuit in which there is a current of 5 amp is changed so that the current falls to zero in 0.1s. If an average e.m.f of 200 volts is induced, what is the self-inductance of the circuit?

NTS 2014
Physics
Magnetism and Electromagnetic Induction
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:

The concept of work function was given by:

PMC Sample 2
Physics
Dawn of Modern Physics
Elimination Tool:

If force of 2.5N changes the velocity from 50 m/s to 100m/s in time 50. the mass of the body’

The frequency of a man’s voice is 300 Hz. If velocity of sound is 336 m/s, the wavelength of the sound is:

NTS 2016 SMBBMC
Physics
Wave Motion and Sound
Elimination Tool:

The target in the X ray unit is given a:

NUMS 2018
Physics
Atomic Spectra
Elimination Tool:

1 degree Is equal to radians

Negative strain indicates that

The half-life of Iodine Is

Which type of current passes through extrinsic semiconductors diode?

A block with a mass of 0.1 kg is attached to a spring and placed on a horizontal frictionless table. The spring is stretched 20 cm when a force of 5 N is applied, the spring constant is:

NTS 2011
Physics
Forces and Motion
Elimination Tool:

In transmission from grid station, power losses are minimized by:

PMC 2020
Physics
Magnetism and Electromagnetic Induction
Elimination Tool:

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:

Two unequal resistances are connected parallel across a battery. Which of the following statements is true?

NUMS 2018
Physics
Current Electricity
Elimination Tool:

Michelson measured the length of a standard meter in terms of the wavelength of:

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

A full wave rectifier is operating from 50 Hz mains. Fundamental frequency of ripple will be:

PMC Practice 1
Physics
Alternating Current
Elimination Tool:

In the Compton Scattering experiment the X-ray wavelength change Δλ is ___________. Here h is Planck constant, m rest mass of electron and θ is angle after scattering.

NTS 2019
Physics
Dawn of Modern Physics
Elimination Tool:

A body starts sliding on a rough horizontal surface with a speed of 10 m/s. If the coefficient of friction is 0.2, find the distance traveled by the body before coming to rest. (g = 10m/s)

NTS 2010
Physics
Forces and Motion
Elimination Tool:

Let X be a radioactive element having No nuclei. The time required to decay this element to one half of its initial number No is known as:

NTS 2018
Physics
Nuclear Physics
Elimination Tool:

For the horizontal pipe, the fluid inside it is flowing horizontally then Bernoulli’s
equation can be written as

UHS 2014
Physics
Fluid Dynamics
Elimination Tool:

If a wire having current 10A has a 3T magnetic field, what will be the magnetic field at a point from the wire at double the distance?

NUMS 2016
Physics
Magnetism and Electromagnetic Induction
Elimination Tool:

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

NUMS 2019 Reconduct
Physics
Forces and Motion
Elimination Tool:

A wheel starts rotating from result with angular acceleration of 2 rads-2 till its angular speed becomes 6 rad/s. The angular displacement of the wheel will be equal to:

NUMS Mock 3
Physics
Circular Motion and Momentum

Find the gravitational force of attraction between two balls each weighing 10 kg, when placed at a distance of 1 meter apart.

NTS 2016 DUHS & JSMU
Physics
Gravitation
Elimination Tool:

In a scanning electron microscope, image formed is:

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

For adiabatic process, the first law of thermodynamics is:

NUMS Mock 3
Physics
Heat and Thermodynamics

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 electron volt is the unit of __________.

PMC Practice 3
Physics
Electronics
Elimination Tool:

All the heat supplied to a system is converted into work in the ______ process.

NTS 2016 DUHS & JSMU
Physics
Heat and Thermodynamics
Elimination Tool:

In simple harmonic motion, acceleration will be maximum, when object is at:

UHS 2019
Physics
Oscillations and Simple Harmonic Motion
Elimination Tool:

A bomber drops a bomb when it is vertically above the target. It misses the target because of the:

NUMS 2014
Physics
Gravitation
Elimination Tool:

Heisenberg uncertainty principle states:

The greek word “xeros” and “graphos” means:

PMC Sample 2
Physics
Electrostatics
Elimination Tool:

A 50 watt bulb is operated by 120 volts. What is the current through the bulb?

NTS 2016 SMBBMC
Physics
Current Electricity
Elimination Tool:

A football, at rest on the ground, is kicked with an initial velocity of 10 m/s at a launch angle of 30°. Calculate its total flight time, assuming that air resistance is negligible.

NTS 2014
Physics
Motion in Two Dimensions
Elimination Tool: