Top 1000+ Solved Physics MCQ Questions Answer

From 1141 to 1155 of 1211

Q. Which of the following are used for accurately measuring very small time intervals?

a. Pulsars

b. Quartz clocks

c. Atomic clocks

d. White dwarfs

  • c. Atomic clocks

Q. The material which can be deformed permanently by heat and pressure is called a:

a. Thermoplastic

b. Thermoset

c. Chemical compound

d. Polymer

  • b. Thermoset

Q. The mass of a star is two times the mass of the Sun. How it will come to an end?

a. Neutron Star

b. Black hole

c. White Dwarf

d. Red Giant

  • a. Neutron Star

Q. If the diameter of a capillary is doubled, then the rise of water in it will be –

a. two times

b. half

c. four times

d. no change

  • b. half

Q. The substance which conducts current in the solid state is –

a. diamond

b. graphite

c. iodine

d. sodium chloride

  • b. graphite

Q. Newton is used to measure             .

a. Speed

b. Volume

c. Force

d. Area

  • c. Force

Q. The mass density of Kerosene is:

a. more than water

b. equal to water

c. Less than water

d. None of the above

  • c. Less than water

Q. Water is a good solvent of ionic salts because -

a. It has no colour

b. It has a boiling point

c. It has a high dipole moment

d. It has a high specific heat

  • c. It has a high dipole moment

Q. For which type of motion, the distance time graph is not a straight line and can be any kind of curve?

a. Uniform motion

b. Circular motion

c. Non-uniform motion

d. Linear motion

  • c. Non-uniform motion

Q. A device used for converting A.C. intoD.C. is called –

a. Transformer

b. Rectifier

c. Induction coil

d. Dynamo

  • b. Rectifier

Q. Energy of Ultraviolet rays is great than

a. Infra-red rays

b. Gamma rays

c. X-rays

d. Cosmic rays

  • a. Infra-red rays

Q. The surface temperature of the Sun is nearly -

a. 2000K

b. 4000K

c. 6000K

d. 8000K

  • c. 6000K

Q. Light year is a unit of -

a. time

b. distance

c. light

d. intensity of light

  • b. distance

Q. The strongest force in nature is –

a. Electrical force

b. Gravitational force

c. Nuclear force

d. Magnetic force

  • c. Nuclear force

Q. According to the theory of relativity, which of the following al-ways remains constant?

a. Length of an object

b. Time

c. Space

d. Velocity of light

  • d. Velocity of light
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