Top 1000+ Solved Physics MCQ Questions Answer

From 256 to 270 of 1211

Q. 0°K is equivalent to

a. 273°C

b. -273°C

c. 0°C

d. 100°C

  • b. -273°C

Q. What is the telescope designed to search for earth-size planets in the nearby region of our galaxy, termed as?

a. Hubble telescope

b. Kepler telescope

c. Copernicus telescope

d. Newton telescope

  • a. Hubble telescope

Q. Which law is also called the law of inertia?

a. Newton's first law

b. Newton's Second Law

c. Newton's Third Law

d. All of these

  • a. Newton's first law

Q. Ohm’s law obeyed in -

a. a metallic conductor

b. a semi conductor

c. an electron tube

d. in all of the above

  • a. a metallic conductor

Q. Solar energy is due to –

a. fusion reactions

b. fission reactions

c. combustion reactions

d. chemical reactions

  • a. fusion reactions

Q. The plastic material commonly used for making gear wheels is –

a. Polyesters

b. Nylons

c. Bakelit

d. Polystyrene

  • b. Nylons

Q. The nuclear force is -

a. Short range repulsive force

b. Short range attractive force

c. Long range repulsive force

d. Long range attractive force

  • b. Short range attractive force

Q. The angle in which a cricket ball should be hit to travel maximum horizontal distance is :

a. 60° with horizontal

b. 45° with horizontal

c. 30° with horizontal

d. 15° with horizontal

  • b. 45° with horizontal

Q. Which type of mirror is used in the head lights of vehicles?

a. Plane mirror

b. Concave mirror

c. Convex mirror

d. Parabolic mirror

  • b. Concave mirror

Q. The height of a geo-stationary satellite from the Earth's surface is approximately :

a. 36,000 km

b. 42,000 km

c. 30,000 km

d. None of these

  • a. 36,000 km

Q. Shaving mirror is –

a. Convex

b. Concave

c. Plane

d. Parabolic

  • b. Concave

Q. Magnifying Glass is basically a –

a. Plano-concave lens

b. Concave lens

c. Convex lens

d. Cylindrical lens

  • c. Convex lens

Q. The velocity of heat radiation in vacuum is –

a. Equal to that of light

b. Less than that of light

c. Greater than that of light

d. Equal to that of sound

  • a. Equal to that of light

Q. Which of the following is the best conductor of electricity?

a. Ordinary water

b. Sea water

c. Boiled water

d. Distilled water

  • b. Sea water
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