Physics questions and answers

Physics Questions and Answers

If you want to learn more about the nature and properties of matter and energy or you're simply preparing for a Physics exam, these Physics past questions and answers are ideal for you.

836.

The pressure applied to an enclosed fluid to one end id transmitted equally throughout the fluid and to the container walls. This statement is

A.

Archimede's principle

B.

Bernoulli's principle

C.

Pascal's principle Heisenberg's

D.

Heisenberg's uncertainty principle

Correct answer is C

No explanation has been provided for this answer.

837.

Which of the following units is the S.I. unit of heat capacity?

A.

Jkg-1

B.

Jkg-1 K-1

C.

JK-1

D.

Jg-1K-1

Correct answer is C

Heat capacity = \(\frac{\text{Heat energy supplied}}{\text{Rise in temperature}}\)

= JK\(^{-1}\)

838.

Which of the following concepts is a method of heat transfer that does not require a material medium?

A.

conduction

B.

radiation

C.

diffusion

D.

convection

Correct answer is B

No explanation has been provided for this answer.

839.

In an experiment in which a molten substance is allowed to cool, the cooling curve above was obtained. The temperature 60oC is known as the

A.

vaporization point

B.

cooling temperature

C.

boiling point

D.

melting point

Correct answer is D

No explanation has been provided for this answer.