The charge on neutron is:

NUMS 2018
Physics
Electrostatics
Elimination Tool:

A stone attached to a rope which is whirled in a circle. If the rope breaks during the motion, the stone will move:

Which one of the following Is correct

• Q.75 Velocity is a

A body of mass 5 kg, initially at rest, is moved by a horizontal force of 2N on a smooth horizontal surface. Find the work done by the force in 10 sec:

NTS 2010
Physics
Forces and Motion
Elimination Tool:

Fusion and fission reactions are associated with:

NTS 2012
Physics
Nuclear Physics
Elimination Tool:

The energy of an X-ray quantum of wavelength 1.0 x 10-10 m is:

NTS 2012
Physics
Dawn of Modern Physics
Elimination Tool:

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

NUMS Mock 4
Physics
Work, Power and Energy

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

A constant force acting on a body of mass 5 kg changes its speed from 2 /s to 7 m/s in 10 s the direction of motion of the body remains unchanged. Find the magnitude of the force.

NTS 2013
Physics
Forces and Motion
Elimination Tool:

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:

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

Radioactive elements emit:

NUMS Mock 2
Physics
Nuclear Physics

The wavenumber of a photon in Brackett series is 9/400 R then electron transited from orbit with the quantum number:

PMC Sample 2
Physics
Atomic Spectra
Elimination Tool:

The wavelength associated with an electron is of the order of:

PMC 2020
Physics
Wave Motion and Sound
Elimination Tool:

A body having translatory motion possesses _____ and _____. In the same way a body having rotatory motion possesses _______ and _______.

NTS 2015 SMBBMC
Physics
Circular Motion and Momentum
Elimination Tool:

Meson consists of:

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

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

For a simple harmonic motion the acceleration of the body is _______ to displacement and always directed towards ________.

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

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

NUMS Mock 1
Physics
Nuclear Physics

To determine Young’s modulus of a material of a given wire of length ? we use:

ETEA 2018
Physics
Physics of Solids
Elimination Tool:

Which of the following is not major application of electromagnetic induction

The angular velocity of a rotating disk increases from 2 rad/s to 5 rad/s in 0.5s. What is the disk’s average angular acceleration?

NTS 2015 SMBBMC
Physics
Circular Motion and Momentum
Elimination Tool:

Blood pressure of a healthy person is mm Hg.

If the instantaneous current in a circuit is given by I = A sin (wt) ampere, the RMS value of the current is:

PMC Practice 3
Physics
Alternating Current
Elimination Tool:

In case of half wave rectification the resistance of diode during negative half of A.C is:

UHS 2018
Physics
Alternating Current
Elimination Tool:

A handball is tossed vertically upward with a velocity of 19.6 m/s. Approximately how high will it rise?

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

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

The process of adding controlled impurities to a semiconductor is known as _______. The amount of impurity added to an intrinsic (pure) semiconductor varies its level of conductivity.

NTS 2018
Physics
Physics of Solids
Elimination Tool:

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

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

NTS 2011
Physics
Motion in Two Dimensions
Elimination Tool:

A proton is about 1840 times heavier than an electron. When it is accelerated by a potential difference of 1kV, its kinetic energy will be:

NUMS Mock 4
Physics
Magnetism and Electromagnetic Induction

A copper wire has resistances 10 ohms and 20 ohms at temperature 0 C and 10 C respectively. What is the temperature coefficient of the copper wire?

NUMS 2016
Physics
Heat and Thermodynamics
Elimination Tool:

A container is divided into two equal portions. One portion contains an ideal gas at pressure P and temperature T while the other portion is a perfect vacuum. If a hole is opened between two portions:

NUMS Mock 3
Physics
Heat and Thermodynamics

X-rays are used to investigate:

PMC Sample 3
Physics
Dawn of Modern Physics
Elimination Tool:

If A = B + C and A, B, C have scalar magnitudes of 5, 4, 3 units respectively then the angle between vector A and Vector C is:

NUMS 2014
Physics
Scalars and Vectors
Elimination Tool:

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

NUMS Mock 1
Physics
Oscillations and Simple Harmonic Motion

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

NUMS Mock 3
Physics
Circular Motion and Momentum

The resultant of two forces has magnitude of 20N . if one of the forces is of magnitude 20√3 N and makes an angle of 30o with the resultant then, the other forces must be of magnitude:

NTS 2015 DUHS and JSMU
Physics
Scalars and Vectors
Elimination Tool:

Two charges of same magnitude are placed, the force between the charges will be maximum in presence of which medium?

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

A 100 watt bulb is operated by 240 volts, the current through the bulb will be:

NTS 2012
Physics
Current Electricity
Elimination Tool:

Plank׳s constant is analogus to:

PMC Sample 3
Physics
Dawn of Modern Physics
Elimination Tool:

Absolute zero is equivalent to:

NUMS 2019 Cancelled
Physics
Heat and Thermodynamics
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:

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

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 velocity of X rays is equal to that of:

NUMS 2018
Physics
Atomic Spectra
Elimination Tool:

Number of Significant figures in 0.001634 Is:

The bridge rectifier is preferred to an ordinary two diode full-wave rectifier because?

PMC Practice 2
Physics
Alternating Current
Elimination Tool:

Percentage uncertainty in length and width of a rectangle is 2% and 3%. The total uncertainty in the area of that rectangle is?

UHS 2019
Physics
Measurements
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:

Two spherical balls of 2.0 kg and 3.0 kg masses are moving towards each other with velocities of 6 m/s and 4 m/s respectively. What must be the velocity of the smaller ball after the collision, if the velocity of the bigger ball is 3 m/s?

NTS 2015 DUHS and JSMU
Physics
Circular Motion and Momentum
Elimination Tool:

A particle is moving in a uniform circular path. If its mass is reduced to half of its original mass, the force acting upon it will be?

The force which will accelerate a 25 kg mass at 98 cm/s2 on a smooth horizontal plane is:

NTS 2016 SMBBMC
Physics
Forces and Motion
Elimination Tool:

Identify the example/s of Static Equilibrium:

I. A book lying on a horizontal table
II. A building
III. A bridge

NTS 2012
Physics
Forces and Motion
Elimination Tool:

White light gives spectrum after undergoing:

PMC Sample 2
Physics
Dawn of Modern Physics
Elimination Tool:

Magnetic flux is maximum when angle between magnetic field and vector area is:

PMC 2020
Physics
Magnetism and Electromagnetic Induction
Elimination Tool:

The force applied on unit area to produce any change in the volume or length of a body is called:

NUMS 2017
Physics
Oscillations and Simple Harmonic Motion
Elimination Tool:

An electron is placed between two charged plates the upper plate is positively charged and the lower plate is negative charged. The electron will

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

NUMS 2019 Reconduct
Physics
Forces and Motion
Elimination Tool:

Particles which can be added to the nucleus of an atom without changing its chemical properties are:

NUMS 2017
Physics
Nuclear Physics
Elimination Tool:

What is the unit of Power

A shot leaves a gun at the rate of 160m/s. Calculate the greatest distance to which it could be projected and the height to which it would rise: (g=10 m/s2)

NTS 2010
Physics
Motion in Two Dimensions
Elimination Tool:

Heisenberg uncertainty principle states:

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:

Consider a peak rectifier fed by a 60-Hz sinusoid having a peak value Vp = 100V. Let the load resistance R = 10kΩ . Calculate the fraction of the cycle during which the diode is conducting:

PMC Practice 5
Physics
Electronics
Elimination Tool:

In a half wave rectifier, the diode conducts during:

NUMS Mock 1
Physics
Electronics

Earth is a/an frame of reference

Angular velocity is measured in

What is the range of typical band gap in conductors

PMC Sample 3
Physics
Alternating Current
Elimination Tool:

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

NUMS 2016
Physics
Electrostatics
Elimination Tool:

If a Force F of magnitude 5N makes an angle of 60 with x-axis, the x-component of the vector will
be:

If the input frequency of a full-wave rectifier is 50 Hz, its ripple frequency is:

PMC 2021 Tested
Physics
Electronics
Elimination Tool:

Siemen is the SI unit of:

A body of mass m moving with velocity v has a kinetic energy K. If its velocity is increased by 25%, what will be the work done in terms of K.E?

Infrasonic waves have a frequency of:

PMC 2021 Tested
Physics
Electromagnetic Waves
Elimination Tool:

If a magnetic field around a current carrying wire is anticlockwise then the direction of current flow is a

A bomb is dropped from an airplane moving horizontally with a speed of 200 km/h. If the air resistance is negligible, the bomb will reach the ground in 5 s, the altitude of the plane approximately is: (g = 9.8 m/s2)

NTS 2016 SMBBMC
Physics
Motion in Two Dimensions
Elimination Tool:

In modern day electrical arrangements, which of the following is connected in series with the others?

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:

.A rock is thrown straight upward from the edge of a 30 m cliff, rising 10 m then falling all the way down to the base of the cliff.

Find the rock’s displacement.

NTS 2014
Physics
Motion in Two Dimensions
Elimination Tool:

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

When the speed of your car is halved, by what factor does its kinetic energy decreases?

PMC 2020
Physics
Work, Power and Energy
Elimination Tool:

A standing-wave pattern is formed when the length of the string is:

PMC Sample 3
Physics
Wave Motion and Sound
Elimination Tool:

The concept of work function was given by:

PMC Sample 2
Physics
Dawn of Modern Physics
Elimination Tool:

When there is an increase in the length of the simple pendulum then its time period will:

NTS 2015 SMBBMC
Physics
Oscillations and Simple Harmonic Motion
Elimination Tool:

A and B are bulbs connected in series with 40-volt battery and a bulb C is connected with 40-volt battery Glow of bulbs will be:

When an observer moves with velocity of light, relative to a timing device at rest, he would notice:

NUMS 2015
Physics
Dawn of Modern Physics
Elimination Tool: