If N, m, V and c represent the number of molecules, mass of a molecule, volume of cubical container and speed of a molecule respectively then by using the method dimensions, check which of the following expressions represents the pressure (p) of a gas?

NUMS 2019 Cancelled
Physics
Heat and Thermodynamics
Elimination Tool:

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

In an astronomical telescope, the distance between the objective and eyepiece is called:

NTS 2013
Physics
Optics, Nature of Light and Optical Instruments
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:

Which of the following is not a base unit in the SI system?

NTS 2016 SMBBMC
Physics
Measurements
Elimination Tool:

Two bodies are projected at an angle of ɑ and (90 – θ) to the horizontal with the same speed. The ratio between their time of flight is:

NUMS 2019 Cancelled
Physics
Motion in Two Dimensions
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:

1 degree Is equal to radians

A lens, which is thicker at the center and thicker at the edges, is called.

Calculate the energy of a photon of wavelength 6600 angstroms.

PMC Sample 3
Physics
Atomic Spectra
Elimination Tool:

A small leak is developed in a large water storage tank. If the height of water above the leakage is 10 m, then find the speed of efflux through the leak:

UHS 2013
Physics
Fluid Dynamics
Elimination Tool:

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

PMC 2020
Physics
Nuclear Physics
Elimination Tool:

Two capacitors C1 = 3 uF and C2 = 6 uF are in series across a 90 volts D.C. supply. The total capacitance is given by:

NTS 2012
Physics
Electrostatics
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

A wire of resistance R is bent in the form of a circle the resistance between two points on the circumference of the wire and at the end of the diameter of circle is

NUMS Mock 4
Physics
Current Electricity

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:

Muon has charge of?

Current that fluctuates periodically with time is ——

PMC Practice 4
Physics
Alternating Current
Elimination Tool:

The potential energy of a particle having a mass of 0.5 kg, moving along the x axis, is given by U= 2*x(x-3), where x = the distance moved by the particle. The speed of the particle will be maximum when it has moved a distance of:

PMC Sample 2
Physics
Work, Power and Energy
Elimination Tool:

Unit of permittivity in free space is?

If y-component of a force acting In y direction is 6N the x-component will be

Penetration power of gamma rays as compared to alpha rays is

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

NTS 2011
Physics
Motion in Two Dimensions
Elimination Tool:

The different magnitudes of same physical quantities are measured by comparing them to:

NUMS Mock 1
Physics
Measurements

______ is equivalent to AND Gate followed by a NOT Gate.

NUMS 2017
Physics
Electronics
Elimination Tool:

Energy of fast moving neutron Is?

Absolute zero is equivalent to:

NUMS Mock 2
Physics
Heat and Thermodynamics

e/m for an electron is ______, when the charge of an electron is 1.6 x 10-19C and mass of electron is 9.1 x 10-31kg.

NUMS 2019 Reconduct
Physics
Electrostatics
Elimination Tool:

The centripetal acceleration is maximum when radius r is:

PMC Sample 1
Physics
Circular Motion and Momentum
Elimination Tool:

If voltage is 100V current is 10A and R Is 5ohm then internal resistance?

The magnitude of electrostatic acceleration force between two point charges is directly proportional to the product of the magnitude of the charges and inversely proportional to the square of the distance between them.” This is known as:

NTS 2015 SMBBMC
Physics
Electrostatics
Elimination Tool:

When a conductor moves In magnetic field the Induced emf Is

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:

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

NTS 2012
Physics
Heat and Thermodynamics
Elimination Tool:

If a single convex lens is placed close to the eye, it can be used as a

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:

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:

In the case of linear deformation, the ratio of tensile stress to tensile strain is called:

UHS 2018
Physics
Physics of Solids
Oscillations and Simple Harmonic Motion
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:

The rectifier is a device which converts?

PMC Practice 3
Physics
Alternating Current
Elimination Tool:

Which group consists of only electromagnetic waves?

PMC Sample 1
Physics
Dawn of Modern Physics
Elimination Tool:

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

Voltage Is current In RC circuit.

Reactance of an Inductor Is given by:

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 product of dimensions of Young’s modulus and stress are:

NUMS 2017
Physics
Physics of Solids
Elimination Tool:

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

Transformer is a device which steps up or steps down the input:

PMC 2020
Physics
Magnetism and Electromagnetic Induction
Elimination Tool:

Two charges are separated by a distance r, in presence of which of the following the force between them will be minimum?

Escape velocity of Jupiter is:

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:

A 1.75 m tall weight-lifter raises a weight of mass 50 kg to a height of 0.5 m above its head. How much work is being done by it? (g = 10 ms-2)

PMC 2020
Physics
Work, Power and Energy
Elimination Tool:

In an astronomical telescope, the lens called eyepiece forms an image of a distant object that is:

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

When a body of weight ‘W’ is kept suspended by a string, the weight of the body pulls the string downwards, while the string pulls the body upwards with an equal force, this force is called?

NTS 2015 SMBBMC
Physics
Forces and Motion
Elimination Tool:

What is the dimension of magnetic field

Polarization of light shows that it is:

PMC 2021 Tested
Physics
Electromagnetic Waves
Elimination Tool:

A logic gate has four inputs. Its possible input combinations will be:

NUMS 2015
Physics
Electronics
Elimination Tool:

To get a peak load voltage of 40V out of a bridge rectifier, what should be the approximate rms value of secondary voltage?

PMC Practice 5
Physics
Electronics
Elimination Tool:

What will be the change in potential energy if an electron moves 4.5m in the direction of an electric field of strength 325 N/C?

Which series is emitted when electron Jumps from a higher orbit to fifth orbit?

What will the de Broglie wavelength of a 150 g mass moving with a velocity of 50 m/s be?

PMC 2021 Tested
Physics
Dawn of Modern Physics
Elimination Tool:

An alpha particle is ejected from the nucleus of an atom. Which of the following answers describes the change in the nucleus of the atom?

NUMS Mock 3
Physics
Nuclear Physics

Electromagnetic waves are produced by:

NTS 2012
Physics
Electromagnetic Waves
Elimination Tool:

The process of natural decay of some heavy nuclides is because of the phenomenon:

NTS 2018
Physics
Nuclear Physics
Elimination Tool:

Electron Volt is the unit of:

PMC Sample 1
Physics
Electrostatics
Elimination Tool:

What is the kinetic energy at the extreme position during SHM?

When brakes of a car are applied, angular velocity of a flywheel reduces from 900 cycle / min to 720 cycle / min in 6 sec. Angular retardation is:

NUMS 2015
Physics
Circular Motion and Momentum
Elimination Tool:

The displacement has __________.

PMC Practice 2
Physics
Scalars and Vectors
Elimination Tool:

The dimensions of volume and acceleration (respectively) are:

NTS 2010
Physics
Measurements
Elimination Tool:

Bimetallic thermostat is an example of:

NTS 2018
Physics
Heat and Thermodynamics
Elimination Tool:

The physical quantity which produces angular acceleration in the body is

NUMS 2014
Physics
Circular Motion and Momentum
Elimination Tool:

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:

Two resistors R1 and R2 may be connected either in series or in parallel across a battery of zero internal resistance. It is required that the joule heating for parallel combination be five times that for series combination. If R1 = 100Ω, find possible values of R2.

NTS 2013
Physics
Current Electricity
Elimination Tool:

Calculate the final kinetic energy when a shop keeper pushes a fruit crate, initially at rest, towards another shopkeeper by exerting a constant horizontal force F of magnitude 5N through a distance of 1 meter.

NTS 2015 DUHS and JSMU
Physics
Work, Power and Energy
Elimination Tool:

In the case of linear deformation, the ratio of tensile stress to tensile strain is called:

UHS 2018
Physics
Physics of Solids
Oscillations and Simple Harmonic Motion
Elimination Tool:

Monochromatic light means the light having:

NUMS 2018
Physics
Optics, Nature of Light and Optical Instruments
Elimination Tool:

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

PMC Sample 1
Physics
Electrostatics
Elimination Tool:

A sound wave with a frequency of 343 Hz travels through the air. What is its wavelength? (speed of sound through air = 343 m/s)

NTS 2014
Physics
Wave Motion and Sound
Elimination Tool:

Which of the following particles has greater wavelengths having the same velocity?

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

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

NTS 2014
Physics
Scalars and Vectors
Elimination Tool:

Unit of Magnetic Flux is

If we double the separation between two charges then coulomb’s force will become?

NUMS 2020
Physics
Electrostatics
Elimination Tool:

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

NUMS Mock 2
Physics
Oscillations and Simple Harmonic Motion

The photocell is similar to:

PMC Practice 5
Physics
Dawn of Modern Physics
Elimination Tool:

A rescue helicopter drops a package of emergency ration to a stranded party on the ground. If the helicopter is traveling at 40 m/s at a height of 100 m above the ground, where does the package strike the ground relative to the point at which it was released? (g= 9.8 m/s2)

NTS 2010
Physics
Motion in Two Dimensions
Elimination Tool:

In rotational motion, angular momentum plays a role which is analogous to that played by _____ in linear motion.

NUMS 2017
Physics
Circular Motion and Momentum
Elimination Tool:

least distance of distinct vision

1 radian is equal to:

PMC 2020
Physics
Circular Motion and Momentum
Elimination Tool:

A vibrator produces 25 waves in 5 seconds. What is its time period?

Which of the following statements is not consistent with Bohr’s set of postulates regarding the hydrogen atom model with regard to the emission and absorption of light?

NTS 2013
Physics
Atomic Spectra
Elimination Tool:

A steel wire hangs vertically from a fixed point, supporting a weight of 80 N at its lower end. The diameter of the wire is 0.50 mm and its length from the fixed point to the weight is 1.5 m. If density of steel wire = 7.8 x 103 kg/m3, then what is the fundamental frequency emitted from the wire.

PMC Sample 2
Physics
Oscillations and Simple Harmonic Motion
Elimination Tool:

Electrons are emitted in the production of X rays by:

NUMS Mock 1
Physics
Atomic Spectra

In medical scanning, which rays are used?

PMC Practice 18
Physics
Electromagnetic Waves
Elimination Tool: