Physics MCQs for Class 9 with Answers Chapter 6

Density is a ratio of mass to:

Area

Volume

Length

Mass

In which of the following state molecules do not leave their position:

Solid

Liquid

Gas

Plasma

What should be the approximate length of a glass tube to construct a water barometer?

0.3 m

1 m

2.5 m

11 m

The formula of Density is:

m/v

v/m

m x v

None of these

Unit of strain is

Nm

N

Both a and b

No unit

The unit of density is:

kg-1 m-3

kg m-1

kgm-3

kgm-2

If a body is at a depth of ‘h’form the liquid surface of density ‘p’ , then the liquid pressure p[‘ in that body is:

P = mgh

P = pgh

P = 2mgh

P = mag

Atmospheric pressure acts in:

upward direction

Down ward direction

Opposite of force

All direction

Which of the solid does not possess the fixed shape and volume?

Stone

Metal spoon

Pencil

Amorphous solid

Highly conducting state of matter is:

Solid

Liquid

Gas

Plasma