Top 1000+ Solved Physics MCQ Questions Answer

From 1201 to 1211 of 1211

Q. A colour-blind person cannot –

a. See distant objects

b. See black colour

c. Distinguish between certain colours

d. Have persistence of vision

  • c. Distinguish between certain colours

Q. Forged documents are detected by –

a. ultraviolet rays

b. infra-red rays

c. beta rays

d. gamma rays

  • a. ultraviolet rays

Q. In which medium, velocity of sound is maximum?

a. Metals

b. Air

c. Water

d. Polymer

  • a. Metals

Q. The compound of a metal found in nature is called -

a. Mineral

b. Ore

c. Flux

d. Slag

  • a. Mineral

Q. Decibel is used to measure the intensity of -

a. Magnetic field

b. Sound

c. Light

d. Heat

  • b. Sound

Q. Rainbow is seen after rain because of hanging molecules of water which act as –

a. lenses

b. mirrors

c. prisms

d. slabs

  • b. mirrors

Q. Which of the following is a result of Surface tension?

a. Gravitational pull

b. Viscosity

c. Capillary action

d. Radiation

  • c. Capillary action

Q. Water is used in car radiator because of its –

a. low density

b. easy availability

c. high specific heat capacity

d. low boiling point

  • c. high specific heat capacity

Q. If a metal can be drawn into wires relatively easily it is called:

a. malleable

b. ductile

c. extractive

d. tactile

  • b. ductile

Q. At what temperature a body will not radiate any heat energy?

a. 0° C

b. 273° C

c. 100° C

d. -273° C

  • d. -273° C
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