Dimensions of work?

If mass attached to a spring and the spring constant of a spring are doubled, the resulting Time period will:

Which of the following field is dependent on the path?

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

In a certain process, 400 J of heat energy is supplied to a system and at the same time 150 J of work is done by the system. The increase in internal energy of the system is _______.

NUMS Mock 4
Physics
Heat and Thermodynamics

Value of Wien’s constant is?

1 pascal = atm

If an electron undergoes transition from 4th to 2nd orbit, then the color of radiations produced will be:

Work is a

PMC Sample 2
Physics
Scalars and Vectors
Elimination Tool:

A body is executing simple harmonic motion if:

NTS 2015 SMBBMC
Physics
Oscillations and Simple Harmonic Motion
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:

The area under force-displacement graph gives us:

NUMS 2020
Physics
Forces and Motion
Elimination Tool:

Which device is used to measure the potential difference between two points of a conductor in the laboratory?

NUMS 2020
Physics
Current Electricity
Elimination Tool:

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

Two spheres of the same size, one of mass 5 kg and the other of mass 50 g are dropped simultaneously from a tower. When they are about to touch the ground, they have the same:

NUMS 2015
Physics
Gravitation
Elimination Tool:

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:

A parallel plate capacitor has a capacitance C. If the distance between the two plates is halved, the capacitance will be?

NUMS Mock 3
Physics
Electrostatics

If an Electromagnetic wave is plane polarized, then the direction of electric field and magnetic field will be

Example(s) of spin motion is/are:

NTS 2011
Physics
Circular Motion and Momentum
Elimination Tool:

If a stationary bar magnet is placed near a coil so that maximum lines of force passes through the coil, the galvanometer shows:

PMC 2020
Physics
Magnetism and Electromagnetic Induction
Elimination Tool:

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

An element whose atomic number is same but mass number is different is called:

NUMS 2019 Reconduct
Physics
Nuclear Physics
Elimination Tool:

Applications of laser is/are:

NTS 2011
Physics
Electromagnetic Waves
Elimination Tool:

Power factor of the pure capacitive circuit is?

The width of depletion region Increases due to:

The potential difference between the terminals of a battery in an open circuit is 2.2 V. When it is connected across a resistance of 5.0 Ω, the potential falls to 1.8 V. What is the internal resistance of the battery?

NTS 2015 DUHS and JSMU
Physics
Current Electricity
Elimination Tool:

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:

Identify the factor on which mutual inductance does not depend:

PMC Practice 3
Physics
Alternating Current
Elimination Tool:

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:

If frequency of incident light is increased beyond threshold frequency, keeping light intensity constant, then:

NUMS 2019 Reconduct
Physics
Dawn of Modern Physics
Elimination Tool:

The ripple factor of half-wave rectifier is?

PMC Practice 14
Physics
Electronics
Elimination Tool:

If a pendulum is oscillating with a frequency f then what is the frequency at which it’s K.E. changes?

NUMS Mock 2
Physics
Oscillations and Simple Harmonic Motion

Refrigerator is an example of:

NUMS Mock 4
Physics
Heat and Thermodynamics

Which of the following Is correct?

Laser beam can be used to generate three dimensional objects in a process called:

NUMS Mock 1
Physics
Optics, Nature of Light and Optical Instruments

The half-life of C14 is approximately 5,730 years, while the half-life of C12 is essentially infinite. If the ratio of C14 to C12 in a certain sample is 25% less than the normal ratio in nature, how old is the sample?

NTS 2013
Physics
Nuclear Physics
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:

If the waves interfere constructively, the amplitude of the resulting wave would be:

NUMS 2018
Physics
Wave Motion and Sound
Elimination Tool:

A 70 kg sportsman runs up a long flight of stairs in 4 seconds. The vertical height of the stairs is 4.5 m. What will be his power output in watts?

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

In rotation motion the torque is:

Two positive point charges Q1 = 16 microCoulombs and Q2 = 4 micro Coulombs are seperated in a line by a distance of 3 meters. Find the spot on the line between the charges where the electric field is zero.

NUMS 2019 Reconduct
Physics
Electrostatics
Elimination Tool:

If half-life of an element Is 4 minutes, then 3/4′ of It Is decayed in:

Which of the following series lies in the ultraviolet range:

PMC 2020
Physics
Optics, Nature of Light and Optical Instruments
Elimination Tool:

If the temperature of cold reservoir is 12C and that of hot reservoir is 27C, the efficiency of Carnet Engine • All be?

The point at which an applied force produces linear motion but no rotatory Motion is:

NUMS 2014
Physics
Forces and Motion
Elimination Tool:

The principle behind the working of cathode ray oscilloscope is:

PMC Sample 1
Physics
Electronics
Magnetism and Electromagnetic Induction
Elimination Tool:

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

PMC Practice 12
Physics
Electronics
Elimination Tool:

A vector such as the velocity of a body undergoing uniform translational motion, which can be displaced parallel to itself and applied to any point is known as:

NTS 2010
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?

Energy consumed by 60 watt bulb in 2 minutes is equal to:

UHS 2018
Physics
Work, Power and Energy
Elimination Tool:

Formula of maximum range of projectile is?

The number of revolutions In 3p1 radians

A solar day is the time interval between two successive appearances of the sun overhead. The time that is referred to the rotation of the earth about its axis is called:

NTS 2018
Physics
Gravitation
Elimination Tool:

Who proposed matter waves?

When the output power equals to one-half of the input power, efficiency of the transformer becomes:

NUMS Mock 4
Physics
Work, Power and Energy

Earth is a/an frame of reference

Which of the following is a type of rectifier?

PMC Practice 15
Physics
Electronics
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:

A ball is thrown vertically upward with a velocity of 98 m/s. If it takes 10 seconds to reach the highest point then the acceleration of the ball is:

NUMS 2014
Physics
Motion in Two Dimensions
Elimination Tool:

Which statement is universally correct?

The dimensions of momentum are the same as that of:

PMC 2021 Tested
Physics
Forces and Motion
Measurements
Elimination Tool:

A football, at rest on the ground, is kicked with an initial velocity of 10 m/s at a launch angle of 30°. Calculate its total flight time, assuming that air resistance is negligible.

NTS 2014
Physics
Motion in Two Dimensions
Elimination Tool:

If 60 capacitors each of Capacitance C are connected in series and then in parallel what is the ratio of Cs/Cp=?

Four particles independently move at the same speed in a direction perpendicular to the same magnetic field. Which particle is deflected the most?

NTS 2017
Physics
Magnetism and Electromagnetic Induction
Elimination Tool:

All the food that you eat in one day has about the same energy as — Liter of Petrol

Which gas is not used in GM counter?

If a proton, alpha particle, and photon moving with the same velocity enter a uniform magnetic field, then which particle will deflect more?

PMC Practice 3
Physics
Atomic Spectra
Elimination Tool:

Value of acceleration due to gravity on mars?

When carrying electricity on long distances. Step up transformer are used to:

What happens to bulk of potential energy of a glass that falls from a table and breaks

.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 particles has greater wavelengths having the same velocity?

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

Value of h Is:

Red light is used in photographic dark room because of:

NUMS 2020
Physics
Optics, Nature of Light and Optical Instruments
Elimination Tool:

Which of the following remains unchanged in a transformer.

PMC Sample 3
Physics
Alternating Current
Elimination Tool:

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

PMC 2020
Physics
Wave Motion and Sound
Elimination Tool:

1 rad is equal to how many degrees

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

NUMS 2016
Physics
Wave Motion and Sound
Elimination Tool:

Which of the following Is true for a wave entering a denser medium?

A common material for cushioning objects in packages is made by trapping bubbles of air between sheets of plastic. Is this material more effective at keeping the contents of the package from moving around inside the package?

PMC Practice 8
Physics
Electromagnetic Waves
Elimination Tool:

A stone of mass 2.0 kg is dropped from a rest position 5.0 m above the ground. What is its velocity at a height of 3.0 m above the ground?

NUMS Mock 1
Physics
Forces and Motion

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

NUMS 2019 Reconduct
Physics
Atomic Spectra
Elimination Tool:

If the current in the wire is directed into the page, and the wire is held perpendicular to the page, then the direction of magnetic circles will be:

If a substance can undergo plastic deformation, until it breaks, it is:

NUMS 2016
Physics
Physics of Solids
Elimination Tool:

_______ is also known as anti-electron.

NTS 2017
Physics
Nuclear Physics
Elimination Tool:

Refrigerator is an example of:

NUMS 2020
Physics
Heat and Thermodynamics
Elimination Tool:

During the process of nuclear disintegration, when beta particle emission occurs, atomic no. of the atom changes by _____ and the mass number changes by ______.

NUMS 2018
Physics
Nuclear Physics
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