“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:

Fusion and fission reactions are associated with:

NTS 2012
Physics
Nuclear Physics
Elimination Tool:

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:

A particle moves from position r = 3i+2j-6k to r = 14i+13j+9k under the action of a Force F = 8i+2j+6k. Find the work done
by the force:

NTS 2010
Physics
Scalars and Vectors
Elimination Tool:

A fixed mass of gas in a thermally insulated container is compressed. After compression, the temperature of the gas will have:

NTS 2017
Physics
Heat and Thermodynamics
Elimination Tool:

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:

AC is converted to D.C by:

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:

Radioactive elements emit:

NUMS Mock 2
Physics
Nuclear Physics

A conductor carrying a current ‘I’ has length ‘L’. When it is placed in a magnetic field, ‘B’ at 90 degrees , it experiences a force:

NTS 2016 DUHS & JSMU
Physics
Magnetism and Electromagnetic Induction
Elimination Tool:

Time period of simple pendulum depends on

If T is to be reduced to T/3 then length of pendulum should be: a) L/9 b) In c) l./3 d) L/4

A full wave rectifier uses load resistor of 1500 Ω. Assume the diodes have Rf= 10 Ω, Rr= ∞. The voltage applied to diode is 30V with a frequency of S0Hz. Calculate the AC power input.

PMC Practice 14
Physics
Electronics
Elimination Tool:

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

NTS 2014
Physics
Electrostatics
Elimination Tool:

Forces In nature always occur in

The atomic spectra deals with the measurement of?

NTS 2014
Physics
Atomic Spectra
Elimination Tool:

In Nuclear Physics the mass defect is referred to _______.

NTS 2019
Physics
Nuclear Physics
Elimination Tool:

A system absorbs 1000 Joules of heat and delivers 600 Joules of work, while losing 100 Joules of heat by conduction to the atmosphere, the change in the internal energy of the system will be:

NTS 2012
Physics
Heat and Thermodynamics
Elimination Tool:

If peak voltage across a full wave rectifier is 20V then Vrms is:

PMC Practice 10
Physics
Electronics
Elimination Tool:

Meson consists of:

What will be the new Surface Density if Electric Intensity is increased to 3 times?

There is no noticeable boundary between core and cladding.

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

NUMS 2016
Physics
Physics of Solids
Elimination Tool:

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

When reverse bias of a p-n junction diode is increased, a stage comes when electric field set up is sufficient to rupture covalent bonds and release a large number of holes and electrons. This breakdown phenomenon is known as:

NUMS 2018
Physics
Electronics
Elimination Tool:

If an AC voltage of rms value of 10 volts is applied as input of a half-wave rectifier, then the voltage value of the DC output will be:

PMC Practice 4
Physics
Alternating Current
Elimination Tool:

X rays are similar in nature to:

NUMS 2018
Physics
Atomic Spectra
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:

Magnetic flux is maximum when angle between magnetic field and vector area is:

PMC 2020
Physics
Magnetism and Electromagnetic Induction
Elimination Tool:

Emission of an alpha particle from a radioactive element.

NUMS 2019 Reconduct
Physics
Nuclear Physics
Elimination Tool:

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

NUMS Mock 2
Physics
Dawn of Modern Physics

When semi-conductors dopped In
then they are p-type

The angle made by the coil of an AC generator at a time Interval 3T/4 is?

Dimension of modulus of elasticity:

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

1) Friction                      2) Gravity

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

NUMS 2019 Cancelled
Physics
Oscillations and Simple Harmonic Motion
Elimination Tool:

Flux passing through an area does not depend upon

X-rays have frequency greater than

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 battery has an e.m.f. of 4 V and internal resistance ‘r’. When this battery is connected to an internal resistance of 2 ohms, a current of 1 amp flows in the circuit. How much current will flow if the terminals of the battery are connected directly:-

NTS 2010
Physics
Current Electricity
Elimination Tool:

The dimensional formula for change in momentum is same as that for:

ETEA 2018
Physics
Measurements
Elimination Tool:

Which of the following is a unit of Work?

A body Is dropped from a height 175m, how much time will it take to reach the ground?

ECG records

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:

The wavelength of X-rays is:

A wave passes through a medium, each particle of the medium performs 100 complete vibrations in 5 seconds. What is the frequency of the wave:

PMC Sample 1
Physics
Wave Motion and Sound
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 battery has an e.m.f of 6.0 volts and an internal resistance of 0.4 ohms. It is connected to a 2.6 ohms resistor through a SPST (single pole, single throw switch).

When the switch is open, the potential difference between the terminal of the battery is:

NTS 2010
Physics
Current Electricity
Elimination Tool:

Unit of magnetic flux density is

A force F = 0.12 N is applied on a spring and the spring elongates by 3 cm. The specific constant of the spring is?

NUMS 2017
Physics
Oscillations and Simple Harmonic Motion
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

Two vectors A and B both have magnitude of 5N and the angle between them is 135, then magnitude of A x B will be

A car of mass 1200 kg initially at rest has been accelerated to a speed of 8 m/s in 16 meters. Average acceleration of the car is ______ m/s2? And force is _____ N?

NUMS Mock 3
Physics
Forces and Motion

Instantaneous velocity is:

PMC Practice 1
Physics
Scalars and Vectors
Elimination Tool:

When charge flows through a wire, it produces:

Zeros are always considered significant when they are

A/An _____ is that in which the momentum of the system as well as the kinetic energy of the system before and after the collision is conserved i.e. remains the same.

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

A 1000 kg vehicle is turning around a corner at 10 m/s as it travels along an arc of a circle. If the radius of the circular path is 10 m, how large a force must be exerted by the pavement on the tires to hold the vehicle in the circular path?

NTS 2015 DUHS and JSMU
Physics
Circular Motion and Momentum
Elimination Tool:

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

If u and d represent up quark and down quark respectively then composition of Proton and Neutron can be written as:

NUMS 2019 Cancelled
Physics
Nuclear Physics
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:

Power factor of the pure capacitive circuit is?

A machine worker placed a cylinder with a diameter of 18 cm between the plates of a hydraulic press. If he applies a 4.25 x 105N force to the cylinder, the stress on the end of the cylinder due to the applied force is A x 107Pa.

What is the value of A?

NUMS 2019 Cancelled
Physics
Heat and Thermodynamics
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:

Electric Generators work on the principle of:

Which of the following will be absorbed by the paper?

Which of the following is the pair of isobars?

NUMS Mock 3
Physics
Nuclear Physics

A force which is experienced in a magnetic field depends on:

NTS 2011
Physics
Magnetism and Electromagnetic Induction
Elimination Tool:

Entropy is the measure of of a system

Equation of SHM, with amplitude ‘a’ is given by:

NUMS 2015
Physics
Oscillations and Simple Harmonic Motion
Elimination Tool:

Final image produced by a compound microscope is

if v is the velocity of an object, then the following equation is always:

[1-v²/c²]^-0.25

Energy stored in capacitors connected in parallel

The ratio of wavelength of last line of Balmer series and last line of lymen series is

PMC Sample 2
Physics
Atomic Spectra
Elimination Tool:

An electron is situated midway between two parallel plates 0.5 cm apart. One of the plates is maintained at a potential of 60 volts above the other. The force on the electron is (e = -1.6×10-19)

NTS 2011
Physics
Electrostatics
Elimination Tool:

Which list shows electromagnetic waves in order of increasing frequency?

ETEA 2018
Physics
Electromagnetic Waves
Elimination Tool:

Two bodies ‘x’ and ‘Y’ are attached to the ends of a string which passes over a pulley so that the two bodies hang vertically. If the mass of the body ‘x’ is 5 kg and that of body ‘Y’ is 4.8 kg. Find the acceleration?(g = 9.8 m/s^2)

NUMS Mock 1
Physics
Forces and Motion

If a voltage of 9V is applied between ends of a wire whose resistance is 0.2 ohm, what will be the resulting current?

NTS 2015 SMBBMC
Physics
Current Electricity
Elimination Tool:

Two bodies are projected at an angle of ɑ and (90 – θ) to the horizontal with the same speed. The ratio between their time of flight is:

NUMS 2019 Cancelled
Physics
Motion in Two Dimensions
Elimination Tool:

.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:

How much angle does the vector 2i+3j makes with y axis.

In a npn transistor, the current IEthat flows in the emitter circuit is:

NTS 2016 DUHS & JSMU
Physics
Electronics
Elimination Tool:

If a Force F of magnitude 5N makes an angle of 60 with x-axis, the x-component of the vector will
be:

Value of Wien’s constant is?

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

NTS 2018
Physics
Nuclear Physics
Elimination Tool:

Resistivity of Silver is ohmmeter

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:

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

When wood is replaced by air as dielectric. The capacitance of capacitor

An angular velocity of 60 revolutions per minute is the same as:

PMC Practice 4
Physics
Oscillations and Simple Harmonic Motion
Elimination Tool:

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

PMC Practice 2
Physics
Alternating Current
Elimination Tool:

Impedance of a circuit Is calculated as: