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

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

in Damping

X Ray ______ causes damage to living tissues. As X rays are absorbed in tissues, they break molecular bonds and create reactive free radicals (such as H and OH).

NUMS 2017
Physics
Atomic Spectra
Elimination Tool:

The time duration between two consecutive heartbeats of a normal human being is

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 temperature of a body at 100 °C is increased by Δ? as measured on the Celsius scale. How is this temperature change expressed on the Kelvin scale?

NTS 2013
Physics
Heat and Thermodynamics
Elimination Tool:

The relation of time of flight with Initial velocity is?

Vector is quantity that ——

PMC Practice 4
Physics
Scalars and Vectors
Elimination Tool:

When speed is doubled the centripetal force will be?

Rays produced by LED are:

PMC 2021 Tested
Physics
Electromagnetic Waves
Elimination Tool:

Which of the following is a conservative field?

The distance between two consecutive nodes is:

PMC 2021 Tested
Physics
Electromagnetic Waves
Elimination Tool:

What is the instantaneous power dissipated through a resistor of resistance 10 ohm if it is connected to an AC source of frequency 15 Hz at 1/180 sec if peak value is 20 V?

UHS 2018
Physics
Alternating Current
Elimination Tool:

Two point charges of +5 C and -12 C attract each other with a force of 1.48 N. charge of -5 C is added to each of these charges. Now the force will be:

NUMS Mock 4
Physics
Magnetism and Electromagnetic Induction

Dispersional effect may produced error in light signals. This type of error is minimum in.

If placed in contact, the focal length of the combination of two convex lenses of equal focal lengths f,
will be

If in a circuit, 2 Ampere current is drawn from the battery in 10 minutes. How much charge will flow through the circuit in this time?

NTS 2018
Physics
Current Electricity
Elimination Tool:

One kilowatt-hour is commonly termed as one commercial unit of electric energy which is equal to:

PMC 2020
Physics
Current Electricity
Elimination Tool:

The ionization energy of hydrogen is:

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

NUMS 2019 Reconduct
Physics
Heat and Thermodynamics
Elimination Tool:

The half-life of a radioactive element depends upon:

NUMS 2016
Physics
Nuclear Physics
Elimination Tool:

If two point charges of charge q1 and q2 are placed at distance d. The force between them is proportional to:

PMC Sample 2
Physics
Electrostatics
Elimination Tool:

The values of electric intensity will ____ due to the presence of dielectric medium:

PMC 2020
Physics
Electrostatics
Elimination Tool:

mλ=2dsin(θ) this relation is called as

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

A stone is thrown horizontally from 2.4 m above the ground at 35 m/s. The wall is 14 m away and 1 m high. At what height will the stone reach when at the wall? Where will the stone land?

NTS 2016 DUHS & JSMU
Physics
Motion in Two Dimensions
Elimination Tool:

if particles are displaced In direction perpendicular to waves then waves are? a)

A bulb having a resistance of 150 Ω is connected to a 225 volt source, the current in the bulb will be:

NTS 2012
Physics
Current Electricity
Elimination Tool:

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.

Which of the following is the angle of projection of a projectile if its range is equal to its height?

NUMS 2020
Physics
Forces and Motion
Elimination Tool:

A car starts from rest and moves with a constant acceleration. During the 5th second of its motion, it covers a distance of 36 meters. What is the acceleration of the car?

NTS 2011
Physics
Motion in Two Dimensions
Elimination Tool:

Which of the following is the percentage of the original quantity of a radioactive material left after five half–lives approximately.

NUMS 2016
Physics
Nuclear Physics
Elimination Tool:

If the unit vectors i, j, k are perpendicular to each other therefore

i.i = j.j = k.k = ______.

I.j = j.k = k.i = ______.

NUMS Mock 2
Physics
Scalars and Vectors

The number of diodes in bridge rectifier is

PMC Sample 3
Physics
Alternating Current
Elimination Tool:

The number of protons in the nucleus is called _____ number.

PMC Sample 3
Physics
Atomic Spectra
Elimination Tool:

Which behaves as a particle as well as wave

Image of an object 5 mm high is only 1 cm high. Magnification produced by lens is

Capacitance increases by

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

UHS 2018
Physics
Oscillations and Simple Harmonic Motion
Elimination Tool:

Which option in the following best explains Base of a transistor?

NUMS 2017
Physics
Electronics
Elimination Tool:

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

NUMS 2020
Physics
Current Electricity
Elimination Tool:

Fluorescence is produced when cathode rays strike on:

PMC 2021 Tested
Physics
Dawn of Modern Physics
Elimination Tool:

An apple is thrown with a speed of 30 m/s in a direction 30° above the horizon. Find out its horizontal range. (g= 9.8 m/s2)

NTS 2015 DUHS and JSMU
Physics
Motion in Two Dimensions
Elimination Tool:

A body moves on a circular path subtending an angle of 2 radians at the center of a circle of radius 3.5 meters. The linear displacement of the body is _________.

NUMS 2019 Reconduct
Physics
Circular Motion and Momentum
Elimination Tool:

A body will be in translational equilibrium if the vector sum of all the forces acting on it is:

NUMS 2017
Physics
Scalars and Vectors
Elimination Tool:

What is the unit of Power

ML^2T^-3 is the dimension of:

The angle made by the coil of an AC generator at a time Interval 3T/4 is?

In a full-wave rectification, the number of diodes used are:

PMC 2020
Physics
Alternating Current
Elimination Tool:

Two identical conducting spheres A and B carry equal charge Q. They are separated by a distance much larger than their diameters. A third identical conducting sphere C carries charge 2Q. Sphere C is first touched to A, then to I3, and finally removed. As a result, the electrostatic force between A and B, which was originally F, becomes:

A neutron travels a distance of 12 m in a time interval of 3.6 x 10 – 4s. Assuming its speed was constant, find its kinetic energy. (take 1.7 x 10 – 27 kg is the mass of neutron)

NTS 2015 SMBBMC
Physics
Work, Power and Energy
Elimination Tool:

The uncertainty in momentum and position is due to its:

PMC Sample 1
Physics
Dawn of Modern Physics
Elimination Tool:

White light does not focus to a single point after passing through a convex lens due to

Interference is shown by Light

Which quantity is a scalar quantity

PMC Sample 3
Physics
Scalars and Vectors
Elimination Tool:

The power of a concave lens is

What is the flux density at a point 3 cm from the long straight wire, when there is a current of 25 A in a wire: (u0= 4? x10-7)

NTS 2010
Physics
Magnetism and Electromagnetic Induction
Elimination Tool:

The ratio of wavelength of last line of Balmer series and last line of lymen series is

PMC Sample 2
Physics
Atomic Spectra
Elimination Tool:

What will be the energy stored In an inductor of length 2m if a current of 10A passes through it

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)

NTS 2015 DUHS and JSMU
Physics
Forces and Motion
Elimination Tool:

Which of the following is the pair of isobars?

NUMS Mock 1
Physics
Nuclear Physics

Ammeter Is a galvanometer with:

In which of the following medium will the speed of sound be maximum?

Evaluate the scalar product of the following: k.( i + j) ?

NTS 2015 SMBBMC
Physics
Scalars and Vectors
Elimination Tool:

A paratrooper is falling down with uniform velocity and also rotating with a constant angular velocity of 0.2 rad/sec. The body satisfies ______.

NTS 2019
Physics
Forces and Motion
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:

The scalar product of (2i – j + 3k) . (31 + 2j – k) i?

NTS 2014
Physics
Scalars and Vectors
Elimination Tool:

F = I L B, What Is relation between I and L

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:

The centripetal acceleration is maximum when radius r is:

PMC Sample 1
Physics
Circular Motion and Momentum
Elimination Tool:

When we measure the nuclear masses and compare them with the masses of the constituent nucleus in free states, the mass of the nucleus is always less than the mass of the constituent nucleons. The difference in mass is known as:

NTS 2015 DUHS and JSMU
Physics
Nuclear Physics
Elimination Tool:

The instrument(s) which work on the principle of Wheatstone bridge is/are:

NTS 2012
Physics
Current Electricity
Elimination Tool:

For a stiff spring, the value of spring constant is:

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

Unit of emf?

Find the longest wavelength in the Paschen series, given R = 1.097 x 107m-1.

NUMS 2019 Reconduct
Physics
Atomic Spectra
Elimination Tool:

A half-wave rectifier uses:

PMC Practice 13
Physics
Electronics
Elimination Tool:

An electric cell of e.m.f E, is connected across a copper wire of diameter d and length L. The drift velocity of electrons in the wire is v0. If the length of the wire is changed to 2L, the new drift velocity of electrons in the copper wire will be:

NUMS 2014
Physics
Current Electricity
Elimination Tool:

The energy supplied by the cell to the charge carriers is derived from the conversion of:

NUMS Mock 4
Physics
Electrostatics

If a car is moving with constant non-zero velocity, then its displacement time graph will be:

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

Heavy nucleus of atoms go through fission so that they can:

NUMS Mock 4
Physics
Nuclear Physics

Who proposed matter waves?

Centrifugal force of a body depends upon?

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

NTS 2016 SMBBMC
Physics
Dawn of Modern Physics
Elimination Tool:

A body with constant speed can still be accelerating. This statement Is:

A body of mass of 2kg absorbed 10 J of radioactive radiations. The absorbed dose of radiation in rad is:

NUMS 2015
Physics
Nuclear Physics
Elimination Tool:

A spectrometer is used to find.

The electromagnetic radiation which moves with high frequency will have _______ wavelength:

2022 PMC Test 3
Physics
Electromagnetic Waves
Elimination Tool:

Equations of kinetics are valid only when the acceleration is:

NTS 2018
Physics
Forces and Motion
Elimination Tool:

Value of solar constant on the surface of Earth is:

Which of the following can cause least Ionization but has high Penetrating Power?

X-rays are used to measure?

PMC Practice 8
Physics
Electromagnetic Waves
Elimination Tool:

A sample of an ideal gas may : expand adiabatically or expand isothermally. The net flow of heat into the gas from the exterior is:

NTS 2017
Physics
Heat and Thermodynamics
Elimination Tool: