Top 1000+ Solved Physics MCQ Questions Answer

From 1171 to 1185 of 1211

Q. A person wears spectators with concave lenses. It means that normally (when not using glasses), the image of distant objects is focused in his eyes –

a. behind the retina

b. in front of the retina

c. on the retina

d. on the blind spot

  • b. in front of the retina

Q. Ohm's law defines –

a. a resistance

b. current only

c. voltage only

d. both current and voltage

  • a. a resistance

Q. Which one of the following determines the sharpness of image in a camera?

a. The aperture

b. The exposure time

c. The focal length of the lens

d. Size of the camera

  • a. The aperture

Q. Light from the Sun reaches us in nearly

a. 2 minutes

b. 4 minutes

c. 8 minutes

d. 16 minutes

  • c. 8 minutes

Q. Red data book contains data of which of the following?

a. All plant species

b. All animal species

c. All endangered species

d. All extinct species

  • c. All endangered species

Q. Second’s pendulum is a pendulum which executes one oscillation in:

a. Half a second

b. One second

c. Two seconds

d. None of these

  • c. Two seconds

Q. Which of the following is most elastic?

a. Rubber

b. Wet clay

c. Steel

d. Plastic

  • c. Steel

Q. Sound cannot pass through –

a. Water

b. Steel

c. Air

d. Vacuum

  • d. Vacuum

Q. The instrument used to measure the speed of the wind is –

a. Altimeter

b. Anemometer

c. Chronometer

d. Dosimeter

  • b. Anemometer

Q. An optically plane surface reflects a beam of light –

a. as a parallel beam in one direction

b. as diffused beams in all d rections

c. as parallel beams in all direactions

d. as a diffused beam in one direction

  • a. as a parallel beam in one direction

Q. The slope of a velocity-time graph represents –

a. acceleration

b. displacement

c. distance

d. speed

  • a. acceleration

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

a. thermoset

b. thermoplastic

c. chemical compound

d. polymer

  • a. thermoset

Q. On planet Earth, there is no centrifugal force at the –

a. Equator

b. Tropic of Cancer

c. Tropic of Capricorn

d. Poles

  • d. Poles

Q. Gas thermometers are more sensitive than the liquid thermometers because of the gases -

a. have low specific heat

b. have high specific heat

c. have large coefficient of expansion

d. are lighter

  • a. have low specific heat
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