A charge is situated in the center of cube. The electric flux through one of the faces of the cube is.

A stone is thrown horizontally from 2.4 m above the ground at 35 m/s. The wall is 14 m away and 1 m high. At what height will the stone reach when at the wall? Where will the stone land?

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

Minimum energy required to eject an electron from metal surface is called:

UHS 2019
Physics
Dawn of Modern Physics
Elimination Tool:

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 star moving away from earth shows:

PMC Practice 21
Physics
Electromagnetic Waves
Elimination Tool:

Aluminum Is a

If the body is rotating with uniform angular velocity, then its torque is:

NUMS 2016
Physics
Circular Motion and Momentum
Elimination Tool:

The centripetal acceleration formula is given as:

PMC Sample 1
Physics
Circular Motion and Momentum
Elimination Tool:

Ratio of Nano to Atto Is:

The electron shows purely a ____ when free.

PMC Sample 2
Physics
Dawn of Modern Physics
Elimination Tool:

An object placed in front of a concave mirror at a distance of X cm from the pole gives a 3 times magnified real image. If it is moved a distance of X+5cm, the magnification of the image becomes 2. The focal length of the mirror is:

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

In E = aT4  E stands for??

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:

Projectile must be launched at which angle with the horizontal to attain maximum range?

NTS 2011
Physics
Motion in Two Dimensions
Elimination Tool:

Suppose A =4.1, and B= 3.26 and the result from calculator comes to be 1.00876543. What should be the correct number of significant figures In final answer If multiplication and division only?

The objective of a microscope is a lens of

A motion with increasing velocity can be represented on displacement-time graph by:

PMC Sample 1
Physics
Forces and Motion
Elimination Tool:

Moving charge produce field

A body is executing simple harmonic motion if:

NTS 2015 SMBBMC
Physics
Oscillations and Simple Harmonic Motion
Elimination Tool:

Calculate the energy of a photon of wavelength 6600 Angstroms:

PMC Practice 5
Physics
Dawn of Modern Physics
Elimination Tool:

A student is performing a lab experiment on simple harmonic motion. He has two different springs (with force constants k1 and k2) and two different blocks (of masses m1 and m2). If k1 =2k2, and m1 = 2m2 , which of the following combinations would give the student the spring-block simple harmonic oscillator with the shortest period?

NTS 2014
Physics
Oscillations and Simple Harmonic Motion
Elimination Tool:

A magnetic needle is placed in a uniform magnetic field and is aligned with the field. The needle is now rotated by an angle of 60 degrees and work done is W. The torque on the magnetic needle at this position is

NUMS 2014
Physics
Magnetism and Electromagnetic Induction
Elimination Tool:

Hooke’s law states that under normal conditions:

NUMS 2019 Cancelled
Physics
Physics of Solids
Elimination Tool:

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:

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

A 50 watt bulb is operated by 120 volts. What is the current through the bulb?

NTS 2016 SMBBMC
Physics
Current Electricity
Elimination Tool:

A jeep travelling at a constant speed of 108 km/hr rounds a curve of radius 100 m. Find its acceleration.

NTS 2015 SMBBMC
Physics
Circular Motion and Momentum
Elimination Tool:

Identify the example/s of Static Equilibrium:

I. A book lying on a horizontal table
II. A building
III. A bridge

NTS 2012
Physics
Forces and Motion
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

In half-wave rectification, the output DC voltage is obtained across the load for ______.

PMC Practice 9
Physics
Electronics
Elimination Tool:

Value of acceleration due to gravity on mars?

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

NUMS 2020
Physics
Electrostatics
Elimination Tool:

Plank׳s constant is analogus to:

PMC Sample 3
Physics
Dawn of Modern Physics
Elimination Tool:

Root mean square velocity of a gas having pressure ‘P’ and density ‘ρ’ is given
by:

UHS 2015
Physics
Fluid Dynamics
Elimination Tool:

Which behaves as a particle as well as wave

A particle is projected from the ground with a kinetic energy E at an angle of 60 degree with the horizontal. Its kinetic energy at the highest point of its motion will be:

NUMS 2019 Cancelled
Physics
Forces and Motion
Elimination Tool:

Energy of sound waves is proportional to:

A parallel plate capacitor has a capacitance C. If the distance between the plates and the plates both halves, the capacitance will be?

NUMS 2017
Physics
Electrostatics
Elimination Tool:

Which of the following is not a type of rectifier?

PMC Practice 12
Physics
Electronics
Elimination Tool:

In CRO, electrons are emitted from:

A fixed mass of an ideal gas absorbs 1000 J of heat and expands under a constant pressure of 20 kPa from a volume of 25 x 10-3 m3 to a volume of 50 x 10-3 m3. What is the change in the internal energy of the gas?

NTS 2017
Physics
Heat and Thermodynamics
Elimination Tool:

The speed of sound in air is 332 m/s. The speed of sound at 22 degrees centigrade will be:

PMC 2020
Physics
Wave Motion and Sound
Elimination Tool:

The domestic electricity supply has a frequency of:

PMC 2020
Physics
Current Electricity
Elimination Tool:

A current of 4.4 amperes is following in a write. How many electrons pass a given point in the wire in one second, if the charge on an electron is 1.6×10-19
Coulomb?

NTS 2011
Physics
Current Electricity
Elimination Tool:

The 10 nanofarad (10×10-9 F) parallel plate capacitor holds a charge of magnitude 50uc on each plate. If the plates are separated by a distance of 0.885mm, what is the area of each plate?

NUMS Mock 3
Physics
Electrostatics

There are leptons

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 speed of efflux through a small hole in a large tank is 9.8 m/s. Find the height at the fluid above the hole:

UHS 2012
Physics
Fluid Dynamics
Elimination Tool:

The charge on neutron is:

NUMS 2018
Physics
Electrostatics
Elimination Tool:

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

Joules

Which of the following is a type of rectifier?

PMC Practice 15
Physics
Electronics
Elimination Tool:

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

NUMS 2015
Physics
Work, Power and Energy
Elimination Tool:

Which of the following has highest ionizing power and least penetrating power?

If the magnitude of vectors A, B and C is 12, 5 and 13 units respectively and A + 13 = What will be the angle between vectors A and B?

The unit of impulse is same as of

Heavy nucleus of atoms go through fission so that they can:

NUMS Mock 4
Physics
Nuclear Physics

The sum of all forms of molecular energies in a thermodynamic system is known as:

NTS 2017
Physics
Heat and Thermodynamics
Elimination Tool:

A particle of mass 5 mg moves with a speed of 8 m/s. Calculate its de Broglie wavelength (h = 6.63 x 10-34 Js)

NTS 2015 DUHS and JSMU
Physics
Atomic Spectra
Elimination Tool:

The value of universal constant “R” is:

NUMS 2016
Physics
Heat and Thermodynamics
Elimination Tool:

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

NUMS 2019 Reconduct
Physics
Atomic Spectra
Elimination Tool:

If a wire having current 10A has a 3T magnetic field, what will be the magnetic field at a point from the wire at double the distance?

NUMS Mock 3
Physics
Magnetism and Electromagnetic Induction

When the frequency of the applied force becomes equal to one of natural frequencies of body then the body oscillates with maximum displacement this phenomenon is called:

NUMS Mock 3
Physics
Wave Motion and Sound
Oscillations and Simple Harmonic Motion

Name the quantity which can be measured by using the base unit kgm2s-3

UHS 2013
Physics
Measurements
Elimination Tool:

A lens, which is thicker at the center and thicker at the edges, is called.

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:

In a pure resistive circuit current and voltage are

Which of the following is dimensionless quantity?

NUMS 2018
Physics
Measurements
Elimination Tool:

What will be the speed a electron having an energy of 18.2 x10^14 Joule?

Astronomers calculate speed of distant stars and galaxies using which of the following phenomena:

PMC 2020
Physics
Wave Motion and Sound
Elimination Tool:

If the length of pendulum is increased 4 times, the new time period will be?

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

NUMS Mock 4
Physics
Electrostatics

The escape velocity of a body from the earth is Ve If the radius of the earth contracts to 1/4th its value, keeping the mass of the earth constant, the escape velocity will be

A body moving with velocity V can be stopped by a force F in direction of it. The same body moving with velocity 5 V can be stopped by a force 5F in distance equal to:

NUMS Mock 4
Physics
Forces and Motion

Two equal, opposite charges are fixed at a distance d. Positive charge is at the right and negative at the left position. As shown below:

X – Y + Z

At which position, the net electric field is directed to the left?

PMC Sample 2
Physics
Electrostatics
Elimination Tool:

Electric intensity between two plates of a capacitor equals:

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:

Dimensions of linear Momentum are:

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

PMC Sample 3
Physics
Wave Motion and Sound
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:

The energy stored in the capacitor is written as:

NUMS Mock 2
Physics
Electrostatics

The different magnitudes of same physical quantities are measured by comparing them to:

UHS 2018
Physics
Measurements
Elimination Tool:

Which rays are used in LASER?

PMC 2021 Tested
Physics
Electromagnetic Waves
Wave Motion and Sound
Elimination Tool:

Electromagnetic waves are produced due to flow of

Maximum acceleration with zero velocity is possible only for:

NUMS 2018
Physics
Oscillations and Simple Harmonic Motion
Elimination Tool:

In full wave rectifier with input frequency 50 Hz, the ripple in the output is mainly of frequency?

PMC Practice 10
Physics
Electronics
Elimination Tool:

A gas is enclosed in a container fitted with a piston of cross-sectional area of 0.10 m2. The pressure of the gas is maintained at 8000 N/m2. When heat is slowly transferred, the piston is pushed up through a distance of 4.0 cm. If 42 J heat is transferred to the system during the expansion, what is the change in the internal energy of the system?

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

The direction of current through the load resistance of a full-wave rectification circuit:

UHS 2019
Physics
Alternating Current
Elimination Tool:

Law of conservation of momentum states that:

I. there is no external force applied to a system, then the total momentum of that system remains constant

II. if there is an external force applied to a system, then the total momentum of that system remains constant

III. if there is no external force applied to a system, then the total momentum of that system keeps changing

NTS 2011
Physics
Circular Motion and Momentum
Elimination Tool: