MEDIUM
9th CBSE
IMPORTANT
Earn 100

State the energy changes which occur in the following.
Electric bulb

Important Questions on Work and Energy

MEDIUM
9th CBSE
IMPORTANT
Physics For Class 9>Chapter 4 - Work and Energy>Exercise>Q 3

State the energy changes which occur in a washing machine.

EASY
9th CBSE
IMPORTANT
Physics For Class 9>Chapter 4 - Work and Energy>Exercise>Q 4
Name the device in which heat energy changes into electrical energy.
EASY
9th CBSE
IMPORTANT
Physics For Class 9>Chapter 4 - Work and Energy>Exercise>Q 4
Name the devices in which nuclear energy changes into electrical energy
EASY
9th CBSE
IMPORTANT
Physics For Class 9>Chapter 4 - Work and Energy>Exercise>Q 4
Name the devices in which light energy changes into electrical energy.
 
EASY
9th CBSE
IMPORTANT
Physics For Class 9>Chapter 4 - Work and Energy>Exercise>Q 4

Name a device in which electrical energy changes into sound energy.

EASY
9th CBSE
IMPORTANT
Physics For Class 9>Chapter 4 - Work and Energy>Exercise>Q 4
Name a device in which sound energy changes into electrical energy.
EASY
9th CBSE
IMPORTANT
Physics For Class 9>Chapter 4 - Work and Energy>Exercise>Q 4
Name a device in which chemical energy changes into electrical energy.
MEDIUM
9th CBSE
IMPORTANT
Physics For Class 9>Chapter 4 - Work and Energy>Exercise>Q 4

Name some devices in which chemical energy changes into mechanical energy.