EASY
9th ICSE
IMPORTANT
Earn 100

Name the physical quantity which is expressed in the unit 'atm'. State its value in pascal.

Important Questions on Pressure in Fluids and Atmospheric Pressure

MEDIUM
9th ICSE
IMPORTANT
Concise Physics I.C.S.E Part I For Class 9>Chapter 4 - Pressure in Fluids and Atmospheric Pressure>EXERCISE–4(B)>Q 5

We do not feel uneasy under the enormous pressure above as well as around us. Give a reason.

EASY
9th ICSE
IMPORTANT
Concise Physics I.C.S.E Part I For Class 9>Chapter 4 - Pressure in Fluids and Atmospheric Pressure>EXERCISE–4(B)>Q 6

Describe an experiment to demonstrate that air exerts pressure.

EASY
9th ICSE
IMPORTANT
Concise Physics I.C.S.E Part I For Class 9>Chapter 4 - Pressure in Fluids and Atmospheric Pressure>EXERCISE–4(B)>Q 7

Explain the following:

(i) A balloon collapses when air is removed from it.

EASY
9th ICSE
IMPORTANT
Concise Physics I.C.S.E Part I For Class 9>Chapter 4 - Pressure in Fluids and Atmospheric Pressure>EXERCISE–4(B)>Q 7

Explain the following:

(ii) Water does not run out of a dropper unless its rubber bulb is pressed.

EASY
9th ICSE
IMPORTANT
Concise Physics I.C.S.E Part I For Class 9>Chapter 4 - Pressure in Fluids and Atmospheric Pressure>EXERCISE–4(B)>Q 7

Explain the following:

(iii) Two holes are made in a completely filled sealed tin can to take out oil from it.

EASY
9th ICSE
IMPORTANT
Concise Physics I.C.S.E Part I For Class 9>Chapter 4 - Pressure in Fluids and Atmospheric Pressure>EXERCISE–4(B)>Q 8
Why does the liquid rise in a syringe when its piston is pulled up?
EASY
9th ICSE
IMPORTANT
Concise Physics I.C.S.E Part I For Class 9>Chapter 4 - Pressure in Fluids and Atmospheric Pressure>EXERCISE–4(B)>Q 9

How is water drawn up from a well by a water pump?

EASY
9th ICSE
IMPORTANT
Concise Physics I.C.S.E Part I For Class 9>Chapter 4 - Pressure in Fluids and Atmospheric Pressure>EXERCISE–4(B)>Q 10
A partially inflated balloon is filled inside a bell jar connected to a vacuum pump. On creating a vacuum inside the bell jar, the balloon gets more inflated. How does the pressure change: increase, decrease or remain same, inside the bell jar?