Dimensions of linear Momentum are:

Conductivity equals:

When a charged particle is projected perpendicular to a magnetic field:

NUMS 2016
Physics
Magnetism and Electromagnetic Induction
Elimination Tool:

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

A nucleus weighs less than Its sum of nucleons, a quantity known as the

An electron enters in a magnetic field at an angle less than 90 degrees with magnetic field. Which of the following path is followed by an electron?

NUMS Mock 3
Physics
Magnetism and Electromagnetic Induction

In a step up transformer ________.

NTS 2019
Physics
Alternating Current
Elimination Tool:

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:

A 60 kg boy runs up a hill through a height of 6 m in 3 seconds. How much work does he do against gravitational force?

NTS 2016 SMBBMC
Physics
Work, Power and Energy
Elimination Tool:

A body has mass 1 kg on earth. Its mass on moon will be

• Q.145  A half-life of sodium-24 is __________ which is used to estimate the volume of blood in a patient:

if a car starts from rest and reaches 20 m/s velocity in 10 s then acceleration is:

PMC Sample 3
Physics
Motion in Two Dimensions
Elimination Tool:

An object whose mass is 100 g starts from rest and moves with constant acceleration of 20 cm / s2. At the end of 8s its momentum is ________ in g cm / s.

NTS 2016 DUHS & JSMU
Physics
Circular Motion and Momentum
Elimination Tool:

If the grating element is made 1/10th the resolving power will become

The polarization of light by tourmaline crystals is due to the ______effect.

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

If a certain region’s magnetic field is directed vertically up and a proton enters this field from the left side, it will go _________.

NUMS 2019 Reconduct
Physics
Magnetism and Electromagnetic Induction
Elimination Tool:

_______ is a device which makes use of mutual induction for stepping up or down an alternating e.m.f.

NTS 2012
Physics
Magnetism and Electromagnetic Induction
Elimination Tool:

When interference between thin films occurs, the path difference between two interfering rays is 2t. If ‘n’ is the refractive index of the medium, the bright circles are obtained when ________ with m = 0, 1, 2, 3, …

NUMS 2019 Reconduct
Physics
Electromagnetic Waves
Elimination Tool:

Calculate the energy of a photon of wavelength 6600 Angstroms:

PMC Practice 5
Physics
Dawn of Modern Physics
Elimination Tool:

If two sounds have the same wavelength in air at the same temperature, what other property must they also have in common?

Intensity
Amplitude
Frequency
NTS 2017
Physics
Wave Motion and Sound
Elimination Tool:

Critical angle is that incident angle in denser medium for which angle of refraction is.

A thermocouple is immersed in water at 373 K and the other in ice at 273K. The emf of the thermocouple Is 90 (μ)V for each 1 K difference in temperature between junctions, and the thermocouple resistance is 6 Ω. What current will flow in the galvanometer connected in series with an internal resistance of 30ohms?

NTS 2010
Physics
Heat and Thermodynamics
Current Electricity
Elimination Tool:

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?

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

A simple pendulum with spring constant 500 n/m oscillates between two points x1 = 10cm and x2 = 15 cm. What is total mechanical energy at 10cm?

A pipe open at both ends has a length of 5m. The second harmonic frequency is _____. Velocity of sound in air = 340 m/s.

NUMS Mock 4
Physics
Wave Motion and Sound

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

NTS 2014
Physics
Magnetism and Electromagnetic Induction
Elimination Tool:

Lasers are used for producing an intense, ____ and coherent beam of visible light.

NUMS Mock 2
Physics
Optics, Nature of Light and Optical Instruments

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:

A body having translatory motion possesses _____ and _____. In the same way a body having rotatory motion possesses _______ and _______.

NTS 2015 SMBBMC
Physics
Circular Motion and Momentum
Elimination Tool:

When two suspended objects are seem to attract each other electrically:

What will be the energy in Joules, when an electron acquires a speed of 10 m/s?

NTS 2016 DUHS & JSMU
Physics
Dawn of Modern Physics
Elimination Tool:

What is the time period of sin(wt) ?

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

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

Sky appears blue due to?

If A = 2.79 and B = 8.1 , then A+B =?

A special class of waves that does not need a material medium for their propagation are called

NUMS Mock 4
Physics
Physics of Solids
Wave Motion and Sound

White light gives spectrum after undergoing:

PMC Sample 2
Physics
Dawn of Modern Physics
Elimination Tool:

1 testa is equal to?

When a conductor moves In magnetic field the Induced emf Is

The force between two point charges separated by a certain distance is F. If each charge is doubled and the distance between them is also doubled, then the force would be:

PMC Sample 1
Physics
Electrostatics
Elimination Tool:

If in a circuit, 2 Ampere current is drawn from the battery in 10 minutes. How much charge will flow through the circuit in this time?

NTS 2018
Physics
Current Electricity
Elimination Tool:

The potential energy at the mean position of a pendulum is:

PMC 2021 Tested
Physics
Oscillations and Simple Harmonic Motion
Elimination Tool:

Which of the ,following act as a heat pump?

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:

Semiconductors have conductivity of the order

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:

Time period of simple pendulum depends on

What is the range of typical band gap in conductors

PMC Sample 3
Physics
Alternating Current
Elimination Tool:

If a car moves from 15 m/s to 5 m/s in 10 sec then average acceleration is

PMC Sample 3
Physics
Motion in Two Dimensions
Elimination Tool:

Forces In nature always occur in

Ammeter lies in

During isothermal process which of the following remains constant:

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:

Which of the following can have negative temperature coefficient?

PMC Practice 4
Physics
Physics of Solids
Elimination Tool:

What is dimension of coefficient of viscosity?

1 Inch = —- cm

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

PMC 2020
Physics
Magnetism and Electromagnetic Induction
Elimination Tool:

Majority charge carriers in P-type semiconductor are

PMC Sample 2
Physics
Electronics
Elimination Tool:

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:

A point where the incident parallel rays of light converge or appear to diverge after passing through a lens
is called

Two cars are travelling towards each other on a straight road at velocities 15 m/s and 16 m/s respectively. When they are 150 m apart, both the drivers apply the brakes and the cars decelerate at 3 m/s2 and 4 m/s2 until they stop. Separation between the cars when they come to rest is :

PMC Sample 2
Physics
Motion in Two Dimensions
Elimination Tool:

The density of blood is:

UHS 2011
Physics
Fluid Dynamics
Elimination Tool:

The atomic spectra deals with the measurement of?

NTS 2014
Physics
Atomic Spectra
Elimination Tool:

Magnetic effect of electric current was first discovered by

Which of the following does not travel in vacuum?

PMC 2021 Tested
Physics
Electromagnetic Waves
Elimination Tool:

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?

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

NTS 2018
Physics
Nuclear Physics
Elimination Tool:

What is the instantaneous power dissipated through a resistor of resistance 10 ohm if it is connected to an AC source of frequency 15 Hz at 1/180 sec if peak value is 20 V?

UHS 2018
Physics
Alternating Current
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 Mock 2
Physics
Optics, Nature of Light and Optical Instruments

Capacitance increases by

Instantaneous velocity is defined as

PMC Sample 3
Physics
Motion in Two Dimensions
Elimination Tool:

The direction of the magnetic line of force depends upon:

NUMS Mock 2
Physics
Magnetism and Electromagnetic Induction

Voltage Is current In RC circuit.

Which one has least value?

Which of the following types of force can do no work on the body on which it operates?

NTS 2016 SMBBMC
Physics
Forces and Motion
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:

i.(j*k)

A 800 kg car is turning round a corner at 6 m/sec as it travels along an arc of circle of radius 12 m. The magnitude of force exerted by pavement on the tyres to hold the car in circular path is _________.

NUMS 2019 Reconduct
Physics
Circular Motion and Momentum
Elimination Tool:

The resultant of two forces has magnitude of 20N . if one of the forces is of magnitude 20√3 N and makes an angle of 30o with the resultant then, the other forces must be of magnitude:

NTS 2015 DUHS and JSMU
Physics
Scalars and Vectors
Elimination Tool:

The half-life of a radioactive element depends upon:

NUMS Mock 4
Physics
Nuclear Physics

When a 7000 N elevator moves from street level to the top of a building 300 m above the street level, what is the change in gravitational potential energy?

NTS 2016 DUHS & JSMU
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:

The detection and estimation of an element in a mixture is sometimes nearly impossible, if it is present in very minute traces or if it’s chemical properties are very similar to those of other elements in the mixture. An effective technique is developed for these purposes is known as?

NTS 2014
Physics
Nuclear Physics
Elimination Tool:

Consider a peak rectifier fed by a 60-Hz sinusoid having a peak value Vp = 100 V. Let the load resistance R = 10 kΩ. Calculate the fraction of the cycle during which the diode is conducting:

PMC Practice 13
Physics
Electronics
Elimination Tool:

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

1) Friction                      2) Gravity

If the unit vectors i, j, k are perpendicular to each other therefore

i.i = j.j = k.k = ______.

I.j = j.k = k.i = ______.

NTS 2016 SMBBMC
Physics
Scalars and Vectors
Elimination Tool:

Rain is vertically downwards with the velocity of 30m/s , a wind blows from north to south direction with 10m/s then at what angle should the umbrella of the person be held and in which

What is 1 radian in degrees approximately?

PMC Sample 1
Physics
Circular Motion and Momentum
Elimination Tool:

Michelson measured the length of a standard meter in terms of the wavelength of:

PMC Practice 2
Physics
Optics, Nature of Light and Optical Instruments
Elimination Tool:

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