What are the Dimensions of P^2/m, where P is the momentum and m is the mass?

In hydrogen spectrum, Lyman and Balmer series belong to which region?

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

NUMS Mock 4
Physics
Nuclear Physics

In hot day white clothes are worn because they are good

A convex lens gives a virtual image only when the objects leis

The formula for the Paschen series for the Hydrogen spectrum is _______.

NTS 2019
Physics
Atomic Spectra
Elimination Tool:

What are dimensions of Magnetic Flux

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

If both inputs “A” and “B” are ON and the output is also ON. This type of gate is known as:

NUMS Mock 2
Physics
Electronics

An aeroplane is flying in a straight line at a constant altitude. If a wing gust strikes and raises the nose of the airplane, the nose will bob up and down until the plane eventually returns to its original position. These oscillations are:

NUMS Mock 3
Physics
Oscillations and Simple Harmonic Motion

Confining of wave into one plane is called

In Young’s Experiment, the central spot In Interference pattern is

The nature of the force of gravitation in the universe is:

NTS 2016 SMBBMC
Physics
Gravitation
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:

A changing electric field produces

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

A nucleus consists of 11 protons and 12 neutrons. The conventional symbol of nucleus is:

NUMS Mock 3
Physics
Nuclear Physics

If an electron jumps from 68′ orbit to 7 orbit, the increase in radius will be:

When light enters from air to glass remains constant?

If a dielectric material is placed between two plates of a capacitor, the net capacitance of the capacitor:

NUMS Mock 4
Physics
Electrostatics

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 Mock 3
Physics
Circular Motion and Momentum

The magnitude of electrostatic acceleration force between two point charges is directly proportional to the product of the magnitude of the charges and inversely proportional to the square of the distance between them.” This is known as:

NTS 2015 SMBBMC
Physics
Electrostatics
Elimination Tool:

Debroglie wavelength for an electron and proton moving at same speed are L and 1; respectively. And frequencies are Fe and Fp respectively. Which of the following is corrract.

If an object is placed away form ‘2f’ of a converging lens, then the image will be

A bullet of mass 20g leaves the gun with a velocity of 200 m/s. If the mass of gun is 2kg then the speed of recoil of the gun is:

NUMS Mock 3
Physics
Forces and Motion

Which of the following can cause least Ionization but has high Penetrating Power?

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:

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 mass has constant acceleration, what is true about the force applied on it?

NUMS 2016
Physics
Forces and Motion
Elimination Tool:

A shot leaves a gun at the rate of 160 m/s. Calculate the greatest distance to which it could be projected. (Take g = 10 m/s2)

NTS 2013
Physics
Motion in Two Dimensions
Elimination Tool:

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

PMC Practice 5
Physics
Electronics
Elimination Tool:

An electric rod of 2000 watts rating boils a certain quantity of water in 10 minutes, the heat which generated for boiling this water is:

NTS 2013
Physics
Electrostatics
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:

The stopping potential depends on

If a single convex lens is placed close to the eye, it can be used as a

The potential energy of a particle having a mass of 0.5 kg, moving along the x axis, is given by U= 2*x(x-3), where x = the distance moved by the particle. The speed of the particle will be maximum when it has moved a distance of:

PMC Sample 2
Physics
Work, Power and Energy
Elimination Tool:

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:

A and B are bulbs connected in series with 40-volt battery and a bulb C is connected with 40-volt battery Glow of bulbs will be:

A body moving on a fluid will experience:

NUMS 2016
Physics
Fluid Dynamics
Elimination Tool:

Which is most sensitive to human eye?

ML^2T^-3 is the dimension of:

If T is to be increased to 37 then length of pendulum should be increased by:

By increasing the area of the plates and decreasing the distance between them, the capacitance of a capacitor:

NUMS Mock 3
Physics
Electrostatics

Consider an object placed on a frictionless inclined plane at a height of 5m , if it is released, what will be its velocity at the bottom of the inclined plane?

NUMS 2017
Physics
Forces and Motion
Elimination Tool:

Microwaves are _______ waves.

PMC 2021 Tested
Physics
Electromagnetic Waves
Elimination Tool:

Human body emits which of the following radiation?

Transmutation occurs when rays are given out:

The product of force and time is equal to:

NUMS 2020
Physics
Forces and Motion
Elimination Tool:

What is the time period of sin(wt) ?

The fractional change in resistance per kelvin is known as:

NUMS Mock 2
Physics
Current Electricity

Minimum velocity needed to put the satellite into orbit is

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

In a double slit experiment, two slits are 0.2 mm apart with a screen at a distance of 1m. The third bright fringe is found to be displaced at a distance of 7.5 mm from the central fringe. What is the value of the wavelength?

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

The force which will accelerate a 25 kg mass at 98 cm/s2 on a smooth horizontal plane is:

NTS 2016 SMBBMC
Physics
Forces and Motion
Elimination Tool:

The rate at which work is being done is called:

UHS 2018
Physics
Work, Power and Energy
Elimination Tool:

For a proton moving in the direction of the electric field

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

Which series is emitted when electron Jumps from a higher orbit to fifth orbit?

The bicycle pump works on the basis of:

NUMS 2020
Physics
Heat and Thermodynamics
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:

Standing pattern of Nodes and Antlnodes form:

The Bohr’s postulate for stationary orbits of Hydrogen atoms _____. Here m is the mass of the electron, v velocity, r orbital, and h is Planck’s constant.

NTS 2019
Physics
Dawn of Modern Physics
Elimination Tool:

Volt/ohm=

A body with constant speed can still be accelerating. This statement Is:

“At constant pressure, the volume of gas is directly proportional to Absolute Temperature” this is known as?

NTS 2015 SMBBMC
Physics
Heat and Thermodynamics
Elimination Tool:

During radioactive decay of a nucleus zXA, β emission takes place along with the daughter nucleus. Because of this beta particle emission, the mass number (A) of the parent nucleus:

NTS 2018
Physics
Nuclear Physics
Elimination Tool:

A travelling wave, in which the particles of the distributed medium, move parallel to the direction of propagation of the wave is called:

NTS 2019
Physics
Wave Motion and Sound
Elimination Tool:

Refrigerator is an example of:

NUMS 2020
Physics
Heat and Thermodynamics
Elimination Tool:

If the peak voltage is 9V, calculate the peak to peak voltage.

PMC Practice 8
Physics
Alternating Current
Elimination Tool:

In an extrinsic semi-conductor charge carriers are

The chemical properties of elements depend on ________.

NUMS Mock 2
Physics
Nuclear Physics

A spring is moving with SUM from X=10 cm to X=40 cm then it has maximum velocity at?

When speed is doubled the centripetal force will be?

The light exhibits the phenomena of constructive interference under the situation when it is ______ and ______.

NUMS 2018
Physics
Optics, Nature of Light and Optical Instruments
Elimination Tool:

The output voltage of a rectifier is:

PMC Practice 4
Physics
Alternating Current
Elimination Tool:

Which measure Is nearest to your height?

One of the following is a photoconductor :

PMC Practice 20
Physics
Physics of Solids
Elimination Tool:

If a rotating body is moving anti-clockwise, the direction of angular velocity is:

PMC Practice 1
Physics
Scalars and Vectors
Elimination Tool:

A particle is moving in a circle with radius r and velocity v if radius is doubled keeping the velocity constant, the value of tangential acceleration 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

A type of metals containing alloys, ceramics etc., when heated their temperature reaches to a state called Transition temperature state and their resistance reaches to zero. These types of metals are called:

In which rectifier is the ripple factor less?

PMC Practice 1
Physics
Alternating Current
Elimination Tool:

What is 1 radian in degrees approximately?

PMC Sample 1
Physics
Circular Motion and Momentum
Elimination Tool:

Displacement of an object with respect to a constant moving (v) frame in the same direction is:

PMC Sample 1
Physics
Forces and Motion
Elimination Tool:

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

A car going around a certain curve at a speed of 25 km/h has a centripetal force acting on it of 100 N. If the speed of the car is doubled, the centripetal force:

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

Which is evaporating cooler?

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

NTS 2016 SMBBMC
Physics
Heat and Thermodynamics
Elimination Tool: