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.

1,706.

Which of the following statements about static friction is correct? It

A.

is independent of the nature of the surface in contact

B.

depends on the area of surface in contact

C.

depends on the relative motion between the surface in contact

D.

depends on the weight of the moving body

Correct answer is C

No explanation has been provided for this answer.

1,707.

The types of motion which a cylindrical drum rolling down an inclined plane undergoes are

A.

circular and translational

B.

rotational and translational

C.

rotational and circular

D.

rectilinear and circular

Correct answer is B

No explanation has been provided for this answer.

1,708.

What is the density of a fuel of relative density 0.72? [Density of water = 1000kg m-3]

A.

72 kgm-3

B.

720 kgm-3

C.

7200 kgm-3

D.

72000 kgm-3

Correct answer is B

P = 0.72 x 1000 = 720

1,709.

Which of the following instruments is best for measuring the diameter of a thin constantan wire?

A.

callipers

B.

metre rule

C.

micometer screw guage

D.

vernier callipers

Correct answer is C

No explanation has been provided for this answer.

1,710.

Which of the following properties of a long steel bar would alter if the bar were melted, recast into a cube and allowed to cool to its original temperature?

A.

sensity

B.

volume

C.

specific heat capacity

D.

electrical resistance

Correct answer is B

No explanation has been provided for this answer.