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.

3,511.

Which of the following is a scalar quantity?

A.

Momentum

B.

Acceleration

C.

Displacement

D.

Distance

E.

Force

Correct answer is D

No explanation has been provided for this answer.

3,512.

Which of the following is not an evidence of the particle nature of matter?

A.

Diffusion

B.

Brownian motion

C.

Diffraction

D.

Crystal structure

E.

Photoelectricity

Correct answer is C

No explanation has been provided for this answer.

3,513.

What is the difference between a crystalline and an amorphous solid? A crystalline solid

A.

has cubic structure while amorphous solid has hexagonal structure

B.

has regularly-repeating pattern while an amorphous solid has not

C.

is white while amorphous solid is yellow

D.

is always hard while amorphous solid is always soft

E.

melts on heating while an amorphous solid sublimates on

Correct answer is B

No explanation has been provided for this answer.

3,514.

Which of the following is not crystal?

A.

Sodium chloride

B.

Lead

C.

Copper (II) tetraoxosulphate (VI)

D.

Glass

E.

Germanium

Correct answer is B

No explanation has been provided for this answer.

3,515.

Viscosity in a liquid does not depend on the

A.

nature of the liquid

B.

relative velocity between the liquid layers

C.

area of the surfaces in contact

D.

temperature of the liquid

E.

normal reaction between the liquid layers

Correct answer is E

No explanation has been provided for this answer.