Ammeter lies in

The bridge rectifier is preferred to an ordinary two diode full-wave rectifier because?

PMC Practice 2
Physics
Alternating Current
Elimination Tool:

The maximum efficiency of a half-wave rectifier is:

PMC Practice 3
Physics
Alternating Current
Elimination Tool:

The chemical properties of elements depend on ________.

NUMS Mock 2
Physics
Nuclear Physics

If the waves interfere constructively, the amplitude of the resulting wave would be:

NUMS 2018
Physics
Wave Motion and Sound
Elimination Tool:

Which of the following statements is True about the A.0 and D.0 Generators?

Non-inverting amplifier circuits have?

PMC Practice 2
Physics
Electronics
Elimination Tool:

Momentum of a photon is?

PMC Practice 2
Physics
Dawn of Modern Physics
Elimination Tool:

What is the speed of 2.0 kg metallic bob at the mean position of a simple pendulum, when released from its extreme position 0.5m high? (g = 10 ms-2)

PMC 2020
Physics
Work, Power and Energy
Elimination Tool:

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

NUMS 2015
Physics
Oscillations and Simple Harmonic Motion
Elimination Tool:

Moment of inertia of a sphere is:

A wave, which transfers _____ by moving away from the source of disturbance is called _____ wave.

NUMS Mock 1
Physics
Wave Motion and Sound

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

If voltage of a capacitor is 60 v then what will be the voltage if diamond is present as •dielectric

Energy emitted in the form of visible radiation is called:

2022 PMC Test 1
Physics
Electromagnetic Waves
Elimination Tool:

The property of light, bending around obstacles and spreading of waves into the geometrical shadow of an obstacle is called ______.

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

Forces In nature always occur in

if the velocity of a body is reducing, the negative acceleration Is called:

The area under the extension-load graph Of an elastic material whose elastic limit has not been exceeded gives its:

NUMS Mock 2
Physics
Work, Power & Energy

A battery of 6 volts is connected to two resistors of 3 ohm and 2 ohm joined together in series. What will be the current through the circuit?

NTS 2016 SMBBMC
Physics
Current Electricity
Elimination Tool:

In medical scanning, which rays are used?

PMC Practice 18
Physics
Electromagnetic Waves
Elimination Tool:

The rate of change of angular velocity with respect to _____ defines angular acceleration.

NTS 2015 SMBBMC
Physics
Circular Motion and Momentum
Elimination Tool:

A bullet on penetrating 30cm into its target loses its velocity by 50%. What additional distance will it penetrate into its target before it comes to rest?

NUMS 2014
Physics
Motion in Two Dimensions
Elimination Tool:

The bicycle pump works on the basis of:

NUMS 2020
Physics
Heat and Thermodynamics
Elimination Tool:

Which unit expresses work per unit charge?

NTS 2017
Physics
Work, Power and Energy
Elimination Tool:

If a magnetic field around a current carrying wire is anticlockwise then the direction of current flow is a

Which of the following statement shows that no work is done?

UHS 2019
Physics
Work, Power and Energy
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:

An object is undergoing simple harmonic motion. It’s time period is T and total energy is E. The amplitude of vibration is reduced to half. What is the new time period and total energy of the system?

PMC Practice 5
Physics
Oscillations and Simple Harmonic Motion
Elimination Tool:

An electron moving with velocity v has momentum 3 x 10 -26 Kg.m/s. The de Broglie wavelength associated with it is ______. Value of h = 6.63 x 10-34 is.

NTS 2019
Physics
Dawn of Modern Physics
Elimination Tool:

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

PMC Sample 3
Physics
Wave Motion and Sound
Elimination Tool:

Which of the following changes, when particle Is moving with uniform velocity?

Moment of inertia of a thin rod of mass m, length l about a line passing through its center is:

NUMS 2019 Cancelled
Physics
Circular Motion and Momentum
Elimination Tool:

If Cp = 10 & Cv = 7, then the general gas constant equals:

A.C generator can be converted into D.0 generator by

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:

the value of permeability

If the ionization energy of a hydrogen atom is 13.6 eV, its ionization potential will be:

PMC Sample 1
Physics
Atomic Spectra
Elimination Tool:

A force of 10 N is acting on an object at angle of 120 degree through the distance of 4 m. Calculate the work done.

1. a) – 20 j b) 20 /

At least how many diodes are required to covert A.0 fully into D.C?

Product of R and C is

A thin horizontal plate of area 0.036 m2 is beneath the surface of a liquid of density 930 kg m−3. The force on one side of the plate due to the pressure of the liquid is 290 N. What is the depth of the plate beneath the surface of the liquid?

ETEA 2018
Physics
Fluid Dynamics
Elimination Tool:

The values of electric intensity will ____ due to the presence of dielectric medium:

PMC 2020
Physics
Electrostatics
Elimination Tool:

A bulb having a resistance of 150 Ω is connected to a 225 volt source, the current in the bulb will be:

NTS 2012
Physics
Current Electricity
Elimination Tool:

In SHM the kinetic energy of the body is maximum when:

NUMS Mock 1
Physics
Oscillations and Simple Harmonic Motion

Half-life of iodine-131 is 8 days. If 20mg is present initially. How much iodine is left behind after 2 half-lives?

NUMS 2020
Physics
Nuclear Physics
Elimination Tool:

Let X be a radioactive element having No nuclei. The time required to decay this element to one half of its initial number No is known as:

NTS 2018
Physics
Nuclear Physics
Elimination Tool:

.A stone dropped from a certain height can reach the ground in 5 s. It is stopped after 3 seconds of its fall and then allowed to fall again. Find the time taken by the stone to reach the ground for the remaining distance.

NTS 2014
Physics
Motion in Two Dimensions
Elimination Tool:

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

If 500 cm3 of gas, having a pressure of 760 millimeters of mercury, is compressed into a volume of 300 cm3. If the temperature remains constant, the pressure of the gas will be, in millimeters of mercury, approximately:

NTS 2017
Physics
Fluid Dynamics
Elimination Tool:

A ball moving horizontally with speed ‘v’ strikes the bob of a simple pendulum at rest. The mass of the bob is equal to that of the ball if the collision is elastic the bob will rise to a height:

NTS 2010
Physics
Circular Motion and Momentum
Elimination Tool:

Blue colored source is seen Red if

In Young’s double-slit experiment, if d is the separation between two slits 1 is the wavelength of light and θ is the angle of the line from the centre of slits to the point of observation on the screen; then for maxima (bright fringe); the formula is _________.

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

A 3 kg stone falls from a 20m high platform. Find its falling speed at 10 m height.

NUMS 2020
Physics
Forces and Motion
Elimination Tool:

When a charge Q on a capacitor is doubled, then energy stored U will be:

NUMS 2020
Physics
Electrostatics
Elimination Tool:

Germanium and silicon are semiconductors having crystalline structures. Both these materials have ______ valence electrons in their outermost shells.

NTS 2014
Physics
Electromagnetic Waves
Elimination Tool:

If a wave can be polarized, it means, it is:

NUMS 2016
Physics
Wave Motion and Sound
Elimination Tool:

The energy stored inside a capacitor is given by the relation:

NUMS 2019 Reconduct
Physics
Electrostatics
Elimination Tool:

Name the scientist who won the noble prize for discovery of energy quanta

4.5 x 109 years is the half-life of:

NUMS 2020
Physics
Nuclear Physics
Elimination Tool:

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

NUMS Mock 4
Physics
Electrostatics

A 5 watt LED bulb converts 80% of the power into light photons wavelength 660 nm. What is the number of photons emitted from the bulb in one second.

UHS 2018
Physics
Dawn of Modern Physics
Elimination Tool:

A handball is tossed vertically upward with a velocity of 19.6 m/s. Approximately how high will it rise?

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

If a 2-ampere current is drawn from the battery in 10 minutes, how much charge will flow through the circuit in this time?

NUMS 2015
Physics
Current Electricity
Elimination Tool:

Parsec(pc) is the unit of ?

Unit of induced emf is

Sunlight will emit photo electrons when striking which of the following

Mass of a body with speed of light approaches to:

Resistivity of Silver is ohmmeter

Formula for Horizontal Range of  projectile is

The combination of ammeter, voltmeter, and ohmmeter into a compact single meter with one common galvanometer is called:

NTS 2015 SMBBMC
Physics
Magnetism and Electromagnetic Induction
Elimination Tool:

If the actual weight of a person standing in an elevator is 75N, and the apparent weight in the accelerated elevator is 105N, find the acceleration and direction of elevator motion. (Use g 10 m/s2)

The binding per nucleon of deuteron (21H) and helium nucleus (42He) are 1.1 MeV and 7 MeV respectively. If two deuterons merge to form a single helium nucleus, the energy released will be:

NUMS 2019 Cancelled
Physics
Nuclear Physics
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.

NUMS Mock 1
Physics
Dawn of Modern Physics

______ is equivalent to AND Gate followed by a NOT Gate.

NUMS 2017
Physics
Electronics
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:

In water pipes, ____ is used to detect leakages.

PMC 2021 Tested
Physics
Electromagnetic Waves
Elimination Tool:

A body moving on a fluid will experience:

NUMS 2016
Physics
Fluid Dynamics
Elimination Tool:

When an applied stress changes the volume, the change in volume per unit volume is known as:

NUMS 2018
Physics
Physics of Solids
Elimination Tool:

According to hooke’s law:

How many neutrons are released during fusion of two deuterons?

A particle with Initial velocity 40 m/s moving with a constant acceleration 10 m/s  Is distance covered In 5 second will be

A vector in space has _____ dimension:

NUMS 2017
Physics
Scalars and Vectors
Elimination Tool:

In E = aT4  E stands for??

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:

i.(j*k)

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

NUMS 2019 Reconduct
Physics
Dawn of Modern Physics
Elimination Tool:

Which of the following is a unit of Work?

PIV stands for :

PMC 2020
Physics
Alternating Current
Elimination Tool:

The product of force and time is equal to:

NUMS 2020
Physics
Forces and Motion
Elimination Tool:

In going form a denser to rarer medium a array of light is

The penetrating power of X rays increases with:

NUMS 2018
Physics
Atomic Spectra
Elimination Tool: