Which of the following Is not true about radioactivity?

Kirchhoff’s first law is manifestation of:

NUMS Mock 3
Physics
Current Electricity

When semi-conductors dopped In
then they are p-type

Value of h Is:

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:

A car travels 30 m towards east, then it takes turn and travels 40 m towards north. It takes 50 seconds in total. Its average velocity is:

PMC Sample 1
Physics
Motion in Two Dimensions
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:

From the given options, which one lists the amount of work done from smallest to Largest displacement is In forward direction?

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

NUMS 2020
Physics
Electrostatics
Elimination Tool:

1 light year distance is the:

PMC Practice 5
Physics
Measurements
Elimination Tool:

Which of the following best describes the magnetic field lines created by a long, straight, current-carrying wire?

NUMS Mock 3
Physics
Magnetism and Electromagnetic Induction

Which of the following work (s) on the principle of wheatstone Bridge?

NTS 2011
Physics
Current Electricity
Elimination Tool:

When the source moves towards an observer the frequency of waves as perceived by observer:

Minimum velocity needed to put the satellite into orbit is

If a wheel of radius r turns through an angle of 30°, then the distance through which any point on its rim moves is?

PMC Sample 1
Physics
Circular Motion and Momentum
Elimination Tool:

If the velocity of the body is decreasing, the acceleration is negative. The negative acceleration is known as:

NTS 2015 SMBBMC
Physics
Motion in Two Dimensions
Elimination Tool:

In Young’s Double slit experiment, if the spacing between the slit is doubled and the linear distance from the screen is reduced to one half then the spacing between the two adjacent bright fringes will be ____ of actual value.

NUMS 2017
Physics
Optics, Nature of Light and Optical Instruments
Elimination Tool:

Third law of Newton is also called:

NUMS Mock 2
Physics
Forces and Motion

n which of the following more heat energy is produced?

With the usual notation, the first law of thermodynamics applied to one mole of an ideal gas can be written in the following form:

CvΔT=ΔQ – PΔV

In a change for which Boyle’s law is obeyed, which of the following would necessarily be zero?

NTS 2017
Physics
Heat and Thermodynamics
Elimination Tool:

Kelvin, is the unit of thermodynamic temperature, which is ________ of the thermodynamic temperature of the triple point of water.

NTS 2015 DUHS and JSMU
Physics
Heat and Thermodynamics
Elimination Tool:

According to hooke’s law:

On doubling the mass, the linear momentum and angular momentum of the body will be:

Strain energy in a deformed energy is stored in the form of:

UHS 2015
Physics
Physics of Solids
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

UHS 2018
Physics
Oscillations and Simple Harmonic Motion
Elimination Tool:

A real image formed by convex lenses is always:

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

If the length of a current carrying solenoid is doubled keeping the number of turns same and the current is increased to 9 times, the value of magnetic field compared to the original magnetic field B will be:

Q.125 SI Unit of current is?

Which of the following have low ionization and high penetrating power?

Number of Significant figures in 0.001634 Is:

if electron is moving along positive x axis and where V= Sx*3 then it

A moon of mass ‘m’ orbits a planet of mass 100 m. Let the strength of the gravitational force exerted by the planet on the moon be denoted by F1 , and let the strength of the gravitational force exerted by the moon on the planet be F2 . Which of the following is true?

NTS 2014
Physics
Gravitation
Elimination Tool:

Upon signal of starting the race, the athlete starts from rest with a constant acceleration of 8 m/s2. At the same time, a cyclist traveling with a constant speed of 72 km/h passes the athlete. How far beyond the starting point will the athlete overtake the cyclist and what will be the speed of the athlete at the time when it overtakes the cyclist respectively?

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

A D.C generator is converted in A.C generator by

What is true about the electric field and electric force?

NUMS 2016
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:

Two long, parallel conductors which are free to move are arranged 1.0 cm apart. A steady current of 20 A flows in each of the conductors in the same direction. The conductors:

NUMS Mock 3
Physics
Magnetism and Electromagnetic Induction

Which of the following statements is correct:

UHS 2011
Physics
Physics of Solids
Elimination Tool:

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

PMC Sample 3
Physics
Atomic Spectra
Elimination Tool:

A ball moving horizontally with speed ‘v’ strikes the bob of a simple pendulum at rest. The mass of the bob is equal to that of the ball if the collision is elastic the bob will rise to a height:

NTS 2010
Physics
Circular Motion and Momentum
Elimination Tool:

Artificial gravity can be supplied by which of the following ways so that normal force of gravity can be generated for the astronaut:

NTS 2011
Physics
Gravitation
Elimination Tool:

A fixed mass of gas in a thermally insulated container is compressed. After compression, the temperature of the gas will have:

NTS 2017
Physics
Heat and Thermodynamics
Elimination Tool:

In RLC series circuit at resonance, the A.C voltage across Resistance R, Inductance L and capacitance C are 5V, 10V and 10 V respectively. The A.C voltage applied to the circuit will be:

NUMS 2015
Physics
Alternating Current
Elimination Tool:

Aluminum Is a

The process of converting alternating current to direct current is called?

PMC Practice 14
Physics
Electronics
Elimination Tool:

Spectra corresponding to the sodium vapour lamp is:

PMC Practice 5
Physics
Atomic Spectra
Elimination Tool:

S.I. Unit of universal gravitational constant G is:

NUMS 2016
Physics
Gravitation
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:

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

When the switch is closed, the potential difference between the terminal Is, in volts is:

NTS 2010
Physics
Current Electricity
Elimination Tool:

A ship approaching a seaport at 10 km/h sends a sonic signal of frequency of 1000 Hz. What is the apparent frequency of the signal as received by a receiver on the seaport?

NUMS 2015
Physics
Wave Motion and Sound
Elimination Tool:

.A stone dropped from a certain height can reach the ground in 5 s. It is stopped after 3 seconds of its fall and then allowed to fall again. Find the time taken by the stone to reach the ground for the remaining distance.

NTS 2014
Physics
Motion in Two Dimensions
Elimination Tool:

The half-life of a radioactive element depends upon:

NUMS 2016
Physics
Nuclear Physics
Elimination Tool:

Vector is quantity that ——

PMC Practice 4
Physics
Scalars and Vectors
Elimination Tool:

Incident rays of light parallel to the principal axis of a convex lens, after refraction by the lens, will:

NTS 2017
Physics
Optics, Nature of Light and Optical Instruments
Elimination Tool:

Unit of electric field is:

A semiconductor photodiode is a:

NTS 2011
Physics
Electronics
Elimination Tool:

In which of the following scenarios will the K.E be zero?

S.I. Unit of rate of flow of a fluid :

NUMS 2018
Physics
Fluid Dynamics
Elimination Tool:

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 10 kg and that of ‘Y’ is 9.8 kg. Find the acceleration? (g = 9.8 m/s2)

NTS 2016 DUHS & JSMU
Physics
Forces and Motion
Elimination Tool:

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:

The minimum distance between an object and its real image in a convex lens is

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

The charge of a photon is:

PMC Sample 1
Physics
Dawn of Modern Physics
Elimination Tool:

Equation of SHM, with amplitude ‘a’ is given by:

NUMS 2015
Physics
Oscillations and Simple Harmonic Motion
Elimination Tool:

Laser light is

Newton’s 3rd law of motion is for bodies that are

Unit of light year Is:

Half-life of iodine-131 is 8 days. If 20mg is present initially. How much iodine is left behind after 2 half-lives?

NUMS 2020
Physics
Nuclear Physics
Elimination Tool:

The shortest wavelength photon emitted in Balmer series is:

NTS 2012
Physics
Atomic Spectra
Elimination Tool:

What is the projection of E = 2i-3j+6k onto the direction of vector F=i+2j+2k.

NTS 2016 DUHS & JSMU
Physics
Scalars and Vectors
Elimination Tool:

in an organ pipe if one side is closed, then it is proved that harmonics released will be

1 pascal = atm

The phenomenon in which certain elements emit invisible radiations is called:

NTS 2018
Chemistry
Atomic Spectra
Elimination Tool:

Germanium and silicon are semiconductors having crystalline structures. Both these materials have ______ valence electrons in their outermost shells.

NTS 2014
Physics
Electromagnetic Waves
Elimination Tool:

The acceleration is a _____.

PMC Practice 6
Physics
Scalars and Vectors
Elimination Tool:

) Twin paradox Is consequence of?

Unit of Momentum Is?

A bicycle wheel of radius 0.70 m is turning at an angular speed of 6.3 rad/s as it rolls on a horizontal surface without slipping. What is the linear speed of the wheel?

If temperature on Kelvin scale Is reduced to half, what would be the effect on the energy of radiations?

How can we define linear magnification produced by a lens?

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

A battery whose emf is 40 V has an internal resistance of 5 Ohms. If this battery is connected to a 15 Ohms resistor ‘R’, what will be the voltage drop across ‘R’:

NTS 2010
Physics
Current Electricity
Elimination Tool:

The least distance of distinct vision for a normal eye is

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:

A man throws a ball vertically upward in the compartment of an accelerated train. The ball will fall:

NUMS 2014
Physics
Motion in Two Dimensions
Elimination Tool:

Which of the following will be absorbed by the paper?

To remove the huge amount of heat energy in a nuclear reactor, _____ is/are used

NUMS Mock 4
Physics
Nuclear Physics

Presence of Photon was confirmed by

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

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

PMC 2020
Physics
Magnetism and Electromagnetic Induction
Elimination Tool:

1 degree Is equal to radians

Which of the following statements is not true regarding the Newton’s third law of motion?

NUMS 2016
Physics
Forces and Motion
Elimination Tool:

If you wish to decrease the resistance of a circuit, you will add the resistors in ________.

NTS 2014
Physics
Current Electricity
Elimination Tool:

.Light can be polarized by which of the following methods?

I. scattering of light

II. double refraction

III. reflection

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

Which of the following can be the objective of Polarization:

Calculate the energy of a photon of wavelength 6600 Angstroms:

PMC Practice 5
Physics
Dawn of Modern Physics
Elimination Tool: