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.

2,131.

The volume and pressure of a given mass of gas at 27oC are 76cm3 and 80cm of mercury respectively. Calculate the volume at s.t.p

A.

36.2cm3

B.

72.8cm3

C.

100.0cm3

D.

808.9cm3

Correct answer is B

No explanation has been provided for this answer.

2,132.

The diagram shows the variation of volume V of a glass with temperature at the point X is

A.

-32oC

B.

-100oC

C.

-273oC

D.

-373oC

Correct answer is C

No explanation has been provided for this answer.

2,133.

The cubic expansivity of mercury is 1.8 x 10-4K-1 and the linear expansivity of glass 8.0 x 10-6K-1, calculate the apparent expansivity of mercury in a glass container

A.

1.00 x 10-4K-1

B.

1.56 x 10-4K-1

C.

1.72 x 10-4K-1

D.

2.04 x 10-4K-1

Correct answer is B

No explanation has been provided for this answer.

2,134.

Two bodies P and Q, are in thermal equilibrium, which of the following statements about the bodies is correct?

A.

the temperature of Q is higher than that of P

B.

P and Q have the same heat capacity

C.

P and Q have the same mass

D.

P and Q are at the same temperature

Correct answer is D

No explanation has been provided for this answer.

2,135.