Trivia question about Physics

The instrument that measures and records the relative humidity of air is ____.

• Hydrometer

• Hygrometer

• Lactometer

• Barometer

The shape of our milky way galaxy is

• circular

• elliptical

• spiral

• none of the above

The different colors of different stars are due to the variation of _____.

• temperature

• pressure

• density

• radiation from them

The speed of light with the rise in the temperature of the medium :

• increases

• decreases

• remains unaltered

• drops suddenly

Clothes keeps us warm in winter because they :

• supply heat

• do not radiate heat

• prevent air from contacting the body

• prevent heat of the body from escaping.

Which of the following occurred first?

• Albert Einstein propounded the General Theory of relativity

• Max Planck unveiled the Quantum Theory

• Guglielmo Marconi sent out first wireless signals

• Wright Brothers successfully flew an aircraft

The animal which uses sounds as its 'eyes' is

• dog

• cat

• snake

• bat

In the atmosphere ultraviolet rays are absorbed by

• oxygen

• nitrogen

• ozone

• helium

What was the name of the space shuttle landed man on the moon?

• Eagle

• Columbia

• Challenger

• Apollo

The energy emitted by the sun is due to

• chemical reaction

• nuclear fission

• nuclear fusion

• all of the above