MEDIUM
9th CBSE
IMPORTANT
Earn 100

A cricket player lowers his hand while catching a fast moving ball. Explain why?

Important Questions on Test Papers 3

MEDIUM
9th CBSE
IMPORTANT
LIVING SCIENCE PHYSICS 9>Chapter 10 - Test Papers 3>TEST PAPERS>Q B
Why is a bucket of water lighter when in water than when it is taken out of water?
MEDIUM
9th CBSE
IMPORTANT
LIVING SCIENCE PHYSICS 9>Chapter 10 - Test Papers 3>TEST PAPERS>Q B
Establish the relationship between kinetic energy and momentum of body.
EASY
9th CBSE
IMPORTANT
LIVING SCIENCE PHYSICS 9>Chapter 10 - Test Papers 3>TEST PAPERS>Q B
In a house 3 bulbs of 25 W each are used for 5 hours a day. Calculate the units of electricity consumed in a month of 31 days. Also, find the total expenditure if one unit of electricity costs Rs. 2.50.
EASY
9th CBSE
IMPORTANT
LIVING SCIENCE PHYSICS 9>Chapter 10 - Test Papers 3>TEST PAPERS>Q C
Distinguish between distance and displacement.
EASY
9th CBSE
IMPORTANT
LIVING SCIENCE PHYSICS 9>Chapter 10 - Test Papers 3>TEST PAPERS>Q C
Explain any three effects that can be produced by force with examples. 
EASY
9th CBSE
IMPORTANT
LIVING SCIENCE PHYSICS 9>Chapter 10 - Test Papers 3>TEST PAPERS>Q C

Name the appliances which work under the following energy transformation.

a. Sound energy into electrical energy.

b. Heat energy into mechanical energy.

 

MEDIUM
9th CBSE
IMPORTANT
LIVING SCIENCE PHYSICS 9>Chapter 10 - Test Papers 3>TEST PAPERS>Q C
How does the relative density of a solid substance determine whether it will float or sink in water?
MEDIUM
9th CBSE
IMPORTANT
LIVING SCIENCE PHYSICS 9>Chapter 10 - Test Papers 3>TEST PAPERS>Q C
Why are the chances of drowning in the Dead Sea very less?