Two point charges of +5 C and -12 C attract each other with a force of 1.48 N. charge of -5 C is added to each of these charges. Now the force will be:

NUMS 2015
Physics
Magnetism and Electromagnetic Induction
Elimination Tool:

If a wire of resistance R is stretched into double of its length, then it’s resistance becomes _________.

NUMS 2019 Reconduct
Physics
Current Electricity
Elimination Tool:

A transistor cannot be used as

An object is moving along a circular path of radius 4m. What will be its angular displacement if it moves 14 m on this circular path?

NUMS Mock 2
Physics
Circular Motion and Momentum

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

If each particle of fluid is passing through the same point, what would be the flow?

NUMS Mock 1
Physics
Fluid Dynamics

A body is hanging from a rigid support by an extensible string of length L. It is struck inelastically by an identical body of mass m with horizontal velocity v =√2gl , the tension in the string increases just after striking by:

NTS 2019
Physics
Circular Motion and Momentum
Elimination Tool:

The ripple factor of half-wave rectifier is?

PMC Practice 14
Physics
Electronics
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:

A bomber drops a bomb when it is vertically above the target. It misses the target because of the:

NUMS 2014
Physics
Gravitation
Elimination Tool:

A material that does NOT become radioactive after absorbing neutrons is called.

NTS 2019
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:

The time duration between two consecutive heartbeats of a normal human being is

Transition of electrons should occur between which orbitals(n) that will emit the longest wavelength in the Balmer series of Hydrogen.

NUMS 2019 Reconduct
Physics
Atomic Spectra
Elimination Tool:

A ball is released from a height h, above a table. Given that air resistance is negligible and 50% of its kinetic energy is converted to other forms of energy at each bounce, what will be the height reached after the second bounce?

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 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 2019 Reconduct
Physics
Current Electricity
Elimination Tool:

An astronomical telescope has Magnifying power 5. If the focal length is 20 cm then what is the focal length of the objective?

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

In a step up transformer ________.

NTS 2019
Physics
Alternating Current
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 Mock 4
Physics
Wave Motion and Sound

What is the dimension of magnetic field

In a ripple tank, 40 waves pass through a certain point in 1 second. If the wavelength of the wave is 5 cm, then speed of the wave is:

PMC 2020
Physics
Wave Motion and Sound
Elimination Tool:

Volume of sphere having radius 17 cm Is:

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:

AC is converted to D.C by:

If the volume of a gas is fixed then on increasing its temperature, its pressure______

NTS 2016 SMBBMC
Physics
Heat and Thermodynamics
Elimination Tool:

In order to produce pair production the minimum energy of photon required is:

NTS 2019
Physics
Dawn of Modern Physics
Elimination Tool:

To convert the Si crystal into a P. type semi-conductor, which group element be Doped?

NUMS 2016
Physics
Physics of Solids
Elimination Tool:

For projectile motion, in the absence of air resistance:

NUMS Mock 1
Physics
Motion in Two Dimensions

Muon has charge of?

Which of the following is the pair of isobars?

NUMS 2016
Physics
Nuclear Physics
Elimination Tool:

Which statement is universally correct?

The total outward flux over any closed hypothetical surface called _____ is equal to the total charge enclosed divided by ε irrespective of how the charge is distributed.

NTS 2015 DUHS and JSMU
Physics
Electrostatics
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:

0.37q charge Is stored on the capacitor, what will be the current?

The absolute standard of rest is:

Transvers waves can transfer their energy on, In

Which one of the following statements is true concerning the motion of an ideal projectile launched at an angle of 45° to the horizontal?

NTS 2014
Physics
Motion in Two Dimensions
Elimination Tool:

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

UHS 2018
Physics
Work, Power and Energy
Elimination Tool:

Unit of light year Is:

Instantaneous velocity is:

PMC Practice 1
Physics
Scalars and Vectors
Elimination Tool:

Photoelectric effect is not produced by:

PMC 2021 Tested
Physics
Dawn of Modern Physics
Elimination Tool:

in Damping

Siemen is the SI unit of:

An automobile is moving forwards with uniform velocity due to the force exerted by its engine. If the force is doubled with the velocity remaining constant what happens to its total power?

NUMS Mock 4
Physics
Work, Power and Energy

Escape velocity of moon is

If a half wave rectifier is used to convert 50Hz AC into DC, then the number of pulses present in rectified voltage is:

PMC Sample 1
Physics
Alternating Current
Elimination Tool:

The power dissipated in a resistor is 12.8 watts when 4A current Is passed. Hw much power will be dissipated If 6A current Is passed through the same resistor?

An object is falling down with a speed of 20 m/s. After 3 seconds

its velocity will be ______ m/s (g = 10 m/s2).

NTS 2019
Physics
Motion in Two Dimensions
Elimination Tool:

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

NUMS Mock 4
Physics
Nuclear Physics

If the velocity of particle is varying linearly with time then shape of d-t curve would be

PMC Sample 2
Physics
Motion in Two Dimensions
Elimination Tool:

Rays produced by LED are:

PMC 2021 Tested
Physics
Electromagnetic Waves
Elimination Tool:

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

terminal velocity of a water droplet is dependent on:

The down quark has charge ________.

PMC Practice 5
Physics
Atomic Spectra
Elimination Tool:

1 pascal = atm

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

NUMS Mock 2
Physics
Oscillations and Simple Harmonic Motion

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

The base units of Young’s Modulus are:

NUMS 2019 Reconduct
Physics
Measurements
Elimination Tool:

1 radian is equal to:

PMC 2020
Physics
Circular Motion and Momentum
Elimination Tool:

The number L = 8.0 x 104cm can be expressed as ________.

NUMS 2019 Reconduct
Physics
Measurements
Elimination Tool:

The ratio of wavelengths of the last line of Balmer series and the last line of Lyman series is:

PMC Sample 2
Physics
Atomic Spectra
Elimination Tool:

Entropy is the measure of of a system

How much more thumb pressure must a nurse use to administer an injection with a hypodermic needle of inside diameter 0.30 mm compared to one with inside diameter 0.60 mm? Assume that the two needles have the same length and that the volume flow rate is the same in both cases.

NUMS Mock 1
Physics
Fluid Dynamics

Ratio of Nano to Atto Is:

The magnetic force acting on a unit positive charge moving perpendicular to the magnetic field with a unit velocity is called:

NUMS Mock 2
Physics
Magnetism and Electromagnetic Induction

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

PMC Sample 3
Physics
Wave Motion and Sound
Elimination Tool:

When the antinodes, in stationary waves, are passing through their equilibrium position, the energy is:

NUMS 2020
Physics
Wave Motion and Sound
Elimination Tool:

Transformer cannot step up

A half wave rectifier is operating from 50 Hz mains, fundamental frequency of ripple will be

PMC Sample 3
Physics
Alternating Current
Elimination Tool:

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:

In a Young’s double-slit experiment, fringes are very close to each other. How can we increase the distance between fringes?

PMC Practice 1
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:

The angular measurement is known as _____ measurement

PMC Sample 1
Physics
Circular Motion and Momentum
Elimination Tool:

A car starts from rest and moves with constant acceleration. During the 4th second of its motion, it covers a distance of 21 meters. The acceleration of the car is _____ m.

NTS 2019
Physics
Motion in Two Dimensions
Elimination Tool:

Semiconductors have conductivity of the order

Which of the following is the angle of projection of a projectile if its range is equal to its height?

NUMS 2020
Physics
Forces and Motion
Elimination Tool:

If a force of 1 N acts on a body through a distance of 1 m in the direction of force, how much
work is done?

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:

The efficiency of the carnot’s Engine Working between 150°C and 50°C is:

NTS 2011
Physics
Heat and Thermodynamics
Elimination Tool:

The power of a concave lens is

X-rays are used to measure?

PMC Practice 8
Physics
Electromagnetic Waves
Elimination Tool:

Which quantity is a scalar quantity

PMC Sample 3
Physics
Scalars and Vectors
Elimination Tool:

The K.E. of a body of mass 2kg and momentum of 2N is:

PMC Sample 1
Physics
Work, Power and Energy
Elimination Tool:

Polarization explains light is ———

PMC Practice 8
Physics
Electromagnetic Waves
Elimination Tool:

In photo-emission from a metal, if light of λ is replaced by light of wavelength λ / 4 , the maximum kinetic energy of the photoelectrons.

UHS 2018
Physics
Dawn of Modern Physics
Elimination Tool:

One of the following is an Ohmic device:

PMC 2020
Physics
Current Electricity
Elimination Tool:

Three times decrease in the distance between the plates of a parallel plate capacitor will _______.

NTS 2019
Physics
Electrostatics
Elimination Tool:

The ripple factor of a half-wave rectifier is:

PMC Practice 2
Physics
Alternating Current
Elimination Tool:

Conductivity equals:

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:

If a face acts on a body for 2 sec and its rate of change of momentum is 50, the force acting on the body is:

Dimension of modulus of elasticity:

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: