The direction of the magnetic line of force depends upon:

NUMS Mock 2
Physics
Magnetism and Electromagnetic Induction

Orange light in a vacuum has a wavelength of 600 nm. What is the frequency of this light?

ETEA 2018
Physics
Electromagnetic Waves
Elimination Tool:

R1 and R2 are two-position vectors making angles θ1 and θ2 with positive X-axis respectively. Their vector product is:

[R1 = 4 cm, R2 = 3 cm , e1 = 30 degrees , e2 = 90 ]

NTS 2011
Physics
Scalars and Vectors
Elimination Tool:

Gamma rays are attracted towards

PMC Practice 11
Physics
Electronics
Elimination Tool:

Which of the following has no acceleration:

If a constant current is flowing through a coil, then the flux through that coil will become constant. In such types of arrangements, the electromotive force (emf) induced in the coil will be:

NTS 2018
Physics
Magnetism and Electromagnetic Induction
Elimination Tool:

In CRO, electrons are emitted from:

The dimensions of acceleration are:

NTS 2011
Physics
Measurements
Elimination Tool:

if a hole is dug to the center of earth and a ball is dropped in it, the ball will:

Unit of Momentum Is?

A body moving with an angular velocity of 1 rev/sec has a frequency of:

In Doppler effect, if listener moves towards a stationary source then:

NUMS 2020
Physics
Wave Motion and Sound
Elimination Tool:

Resistance of RCL series circuit at resonance Is?

Identify the factor on which mutual inductance does not depend:

PMC Practice 3
Physics
Alternating Current
Elimination Tool:

Path followed by a projectile is known as?

In S.H.M the K.E. at the equilibrium position is:

NUMS 2018
Physics
Oscillations and Simple Harmonic Motion
Elimination Tool:

Electric charge on an object is measured as 5 microcoulombs. How the value of this charge can be expressed in terms of base units:

UHS 2012
Physics
Measurements
Elimination Tool:

What would be Compton Wave shift if X-rays are scattered at an angle of 90 degree?

A bar magnet has a magnetic moment 200 Am2. The magnet is suspended in a magnetic field of 0.30 NA-1m-1. The torque required to rotate the magnet from its equilibrium position at an angle of 30˚ will be:

NUMS 2014
Physics
Magnetism and Electromagnetic Induction
Elimination Tool:

A thin horizontal plate of area 0.036 m2 is beneath the surface of a liquid of density 930 kg m−3. The force on one side of the plate due to the pressure of the liquid is 290 N. What is the depth of the plate beneath the surface of the liquid?

ETEA 2018
Physics
Fluid Dynamics
Elimination Tool:

An object placed in front of a concave mirror at a distance of X cm from the pole gives a 3 times magnified real image. If it is moved a distance of X+5cm, the magnification of the image becomes 2. The focal length of the mirror is:

NUMS 2014
Physics
Optics, Nature of Light and Optical Instruments
Elimination Tool:

Which of the following is not a type of rectifier?

PMC Practice 12
Physics
Electronics
Elimination Tool:

Due to the magnetic force, a positively charged particle executes uniform circular motion within a uniform magnetic field ‘B’. If the charge is ‘q’ and radius of its path is r, which of the expressions gives the magnitude of the particle’s linear momentum:

NTS 2010
Physics
Magnetism and Electromagnetic Induction
Elimination Tool:

How much heat is absorbed by 100 g of water when its temperature decreases from 25. C to 5. C? (heat capacity is 4.2 j/gk)

NUMS 2016
Physics
Heat and Thermodynamics
Elimination Tool:

Which of the following changes, when particle Is moving with uniform velocity?

The target in the X ray unit is given a:

NUMS 2018
Physics
Atomic Spectra
Elimination Tool:

The resistivity in SI units is measured in:

NTS 2016 DUHS & JSMU
Physics
Current Electricity
Elimination Tool:

Spherical aberration can be reduced by using

Half wave voltage multiplier can provide any degree of voltage multiplication by cascading diodes and capacitors.

PMC Practice 12
Physics
Electronics
Elimination Tool:

Impedance in RLC series circuit Is given by

The electron current is chiefly due to:

NUMS 2016
Physics
Wave Motion and Sound
Elimination Tool:

The slope of distance – time graph will always be:

PMC 2020
Physics
Motion in Two Dimensions
Elimination Tool:

The amount of heat at constant volume is called as:

NTS 2013
Physics
Heat and Thermodynamics
Elimination Tool:

Power factor in an AC circuit Is?

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

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:

Stokes’ Law is given as:

UHS 2013
Physics
Fluid Dynamics
Elimination Tool:

The moment of inertia of a solid sphere of mass ‘m’ having radius ‘r’ about a line passing through its center is:

NUMS 2019 Cancelled
Physics
Circular Motion and Momentum
Elimination Tool:

In projectile motion, which velocity component remains same throughout the flight?

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?

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

According to hooke’s law:

potential difference in charge between two points in a circuit is known as?

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 car 500 kg is travelling at a constant speed of 9 m/s round a curve of 100m. What is the centripetal force?

NTS 2019
Physics
Circular Motion and Momentum
Elimination Tool:

Energy of fast moving neutron Is?

Which of the following consist of two quarks? a

Which of the ,following act as a heat pump?

An object with an initial velocity of 4m/s moves along a straight axis under constant acceleration. Three seconds later,its velocity is 14m/s. How far did it travel during this time?

NTS 2015 SMBBMC
Physics
Motion in Two Dimensions
Elimination Tool:

When we lift an object, we do work against which of the following:

1) Friction                      2) Gravity

If the amplitude is 200, the intensity is 300 when the amplitude is increased to 800 then what will be the intensity?

NUMS Mock 3
Physics
Fluid Dynamics

Dimension of modulus of elasticity:

theory of was Relativity proposed by

.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:

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 2019 Cancelled
Physics
Circular Motion and Momentum
Elimination Tool:

Ratio of Nano to Atto Is:

The object oscillates due to:

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

Which one of the following requires no medium?

PMC 2021 Tested
Physics
Electromagnetic Waves
Elimination Tool:

If the speed of waves is 10m/sec and its frequency is 5Hz. Find its wavelength.

NUMS Mock 3
Physics
Wave Motion and Sound

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:

22320 cal heat is supplied to 100g of ice at zero degree centigrade. If the latent heat of fusion of ice is 80 cal /g and latent heat of vaporization of water is 540 cal/g the final amount of water thus obtained and its temperature respectively are:

NUMS 2014
Physics
Heat and Thermodynamics
Elimination Tool:

Reactance of an Inductor Is given by:

If the amplitude is 200, the intensity is 300 When the amplitude is increased to 800 then what will be the intensity?

NUMS 2016
Physics
Wave Motion and Sound
Elimination Tool:

A battery has an e.m.f of 6.0 volts and an internal resistance of 0.4 ohms. It is connected to a 2.6 ohms resistor through a SPST (single pole, single throw switch).

When the switch is open, the potential difference between the terminal of the battery is:

NTS 2010
Physics
Current Electricity
Elimination Tool:

Which one has least value?

Which of the following statements is correct:

UHS 2011
Physics
Physics of Solids
Elimination Tool:

Dimension of Torque Is?

Which of the following is a unit of Work?

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

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

Power of RCL circuit at resonance Is?

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

2022 PMC Test 3
Physics
Electromagnetic Waves
Elimination Tool:

A spring of force constant 800 N/m has an extension of 5 cm, the work done in extending it from 5 cm to 15 cm

PMC Sample 3
Physics
Oscillations and Simple Harmonic Motion
Elimination Tool:

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:

If the angle b/w electric field and vector area A is rr/3 then electric flux will be?

Identify the postulate(s) which help to formulate a mathematical model of gases.

I. A finite volume of gas consists of very large number of molecules

II. The size of the molecules is much smaller than the separation between molecules

III. Molecules do not exert force on each other except during a collision.

NUMS Mock 2
Physics
Heat and Thermodynamics

Michelson’s interferometer works on the principle of:

PMC Practice 21
Physics
Electromagnetic Waves
Elimination Tool:

Law of heat exchange is used to determine:

NTS 2018
Physics
Heat and Thermodynamics
Elimination Tool:

In Young’s double-slit experiment, if d is the separation between two slits 1 is the wavelength of light and θ is the angle of the line from the centre of slits to the point of observation on the screen; then for maxima (bright fringe); the formula is _________.

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

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:

In the SI system of units, the fundamental units of length, mass, and time are ____, _____ and respectively:

NTS 2019
Physics
Measurements
Elimination Tool:

n which of the following more heat energy is produced?

A mass of 20 kg is lifted from the floor to a height of 2m in 4.9 sec. Calculate the power in Watts.

NUMS 2019 Reconduct
Physics
Work, Power and Energy
Elimination Tool:

Root mean square velocity of a gas having pressure ‘P’ and density ‘ρ’ is given
by:

UHS 2015
Physics
Fluid Dynamics
Elimination Tool:

All of the following are equivalent to watt except:

NUMS Mock 2
Physics
Work, Power & Energy

The base units of Young’s Modulus are:

NUMS 2019 Reconduct
Physics
Measurements
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:

Flux passing through an area does not depend upon

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

NTS 2016 SMBBMC
Physics
Magnetism and Electromagnetic Induction
Elimination Tool:

Equation of continuity is expressed as:

NUMS 2018
Physics
Fluid Dynamics
Elimination Tool:

The nucleus shape is considered to be:

PMC Practice 4
Physics
Atomic Spectra
Elimination Tool: