Physics Questions
Practice 169 Physics questions with detailed answers and explanations. Free MCQs, PYQs, and mock test questions for NEET, JEE, GATE, SSC and more.
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169
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36
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131
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2
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Which law was studied in the year 1787, in which it was said that as the volume of a gas increases its absolute temperature increases, and if its absolute temperature decreases, then its volume will decrease?
The signs of charges of electron, proton and neutron are __________, respectively.
Which of the following pairs of physicists and their contributions/discoveries is INCORRECT?
________ of a material is defined as the minimum amount of the work necessary to remove a free electron from the surface of the material.
____________ is a scientific device used to measure atmospheric pressure.
Which of the following concepts explains tides in the oceans ?
A body of mass is moving on a smooth horizontal surface with initial velocity along east. A uniform force towards north is applied on the body. The final velocity of the body after will be
The given logic symbol represents
Which phenomenon is opposite to solidification?
The momentum of a particle having mass is . Its kinetic energy will be
Total internal reflection is possible when light travels from
The relation between speed of sound () and absolute temperature () in a gas is
Three wires of resistance , , and respectively are connected in parallel. The equivalent resistance of the circuit is
The change in temperature of a body is , The change in temperature on the Kelvin scale is
Who was the first Indian to win the Nobel Prize in Physics?
The light from the Sun reaches the Earth in about how much time?
Which scientific principle explains why a compass needle points north?
If four resistances of , , and are connected in series, then what will be the combined resistance of the four resistors?
-40 degrees Fahrenheit is equal to how many degrees on the Celsius scale?
Which of the following concepts explains heat transfer through the bulk movement of fluids (liquids or gases)?
What is the SI unit for the measurement of pressure?
Which of the following statements about sound is FALSE?
Which of the following has the same dimension as that of torque?
A force of displaces a body by , calculate the work done (in ).
Instrument for measuring work performed is called ________.
The __________ of a substance is defined as the mass per unit volume.
What is the unit of the physical quantity "Jerk"?
Instrument for measuring blueness of the sky or ocean is called ________.
Which of the following statements best describes the concept of quantum entanglement?
What was the first element discovered by Marie and Pierre Curie?
The light from the Sun reaches the Earth in about how much time?
The weight of an object of mass 1kg is approximately equal to ____ newton.
Which physicist is best known for his experiments on generating and confirming the existence of electromagnetic waves?
Which physical unit is obtained by the ratio of momentum and velocity of matter?
On a moving plane mirror, incident ray forms an angle of , then what will be the reflected angle?
When a glass rod is rubbed with silk, then which type of charge is created on it?
The speed of sound is maximum in
Which one of the following materials is ferromagnetic?
A battery of is connected to a parallel group of resistances of , and . The current in the circuit will be ( ampere)
Momentum of a particle of mass is . Its kinetic energy will be
Which scientist discovered the radioactive element, radium?
Which of the following properties of water can be used to explain the spherical shape of rain droplets?
The angle of dip at the magnetic poles of the earth is
If P, F and A represent pressure, force and area respectively, then the correct relationship is:
Rutherford's alpha () particle scattering experiment resulted into the discovery of
Kirchhoff's current law is based on the conservation of
In household wiring, what is the colour of 'earth wire'?
If and be respectively the absolute refractive indices of water and glass, then the refractive index of glass relative to water is
Sound waves consists of compressions and rarefactions in length. The wavelength of the waves is
The angle of dip at magnetic pole of earth is
If the momentum of a body increases from units to units in , then the force acting on it is
If , and represent pressure, force and area respectively, then
Rutherford's alpha (α) particle scattering experiment led to the discovery of the
Kirchhoff's current law (KCL) is based on the conservation of
In household wiring, what is the standard colour of the 'earth wire'?
If
3
4
and
2
3
are respectively the absolute refractive indices of water and glass, then the refractive index of glass relative to water is
3
4
and
2
3
are respectively the absolute refractive indices of water and glass, then the refractive index of glass relative to water is
Sound waves consist of 20 compressions and 20 rarefactions in a 10m length. The wavelength of the waves is
If the momentum of a body increases from 10 units to 25 units in 5sec, then the force acting on it is
The ratio of the dimensions of Planck's constant and that of the moment of inertia is the dimension of :
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