Top 1000+ Solved Physics MCQ Questions Answer

From 226 to 240 of 1211

Q. The frequency of ultrasound wave is typically –

a. Above 20 kHz

b. Above 20,000 kHz

c. Below 20 kHz

d. Below 02 kHz

  • c. Below 20 kHz

Q. Intensity of gravitational field of earth is maximum at –

a. Poles

b. Equator

c. Centre of earth

d. Surface

  • a. Poles

Q. The spokes used in the wheel of a bicycle increase its –

a. Moment of inertia

b. Velocity

c. Acceleration

d. Momentum

  • a. Moment of inertia

Q. A soap bubble shows colours when illuminated with white light. This is due to –

a. Diffraction

b. Polarization

c. Interference

d. Reflection

  • c. Interference

Q. A boy sitting in an open car moving with the constant speed throws a ball straight up into the air.

a. The ball falls –

b. Behind him

c. In front of him

d. Into his hand

  • a. The ball falls –

Q. The process involved in making soap is

a. Saponification

b. Hydrolysis

c. Condensation

d. Polymerization

  • a. Saponification

Q. A pond of water appears less deep due to –

a. Reflection

b. Diffraction

c. Refraction

d. Polarization

  • c. Refraction

Q. The oldest type of energy known to man is –

a. Wind power

b. Solar power

c. Tidal energy

d. Geothermal energy

  • d. Geothermal energy

Q. The source of the sun's energy is the process of –

a. Photoelectric emission

b. Nuclear fission

c. Nuclear fusion

d. Thermionic emission

  • c. Nuclear fusion

Q. A multimeter is used to measure –

a. current

b. voltage

c. resistance

d. All of the above

  • d. All of the above

Q. In the atmosphere ultraviolet rays are absorbed by –

a. Oxygen

b. Nitrogen

c. Ozone

d. Helium

  • a. Oxygen

Q. Clear nights are colder than cloudy nights because of –

a. conduction

b. condensation

c. radiation

d. insolation

  • c. radiation
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