(English Medium) ICSE Class 10 - CISCE Question Bank Solutions for Physics

State the energy changes in the following case while in use:

An electric iron

State the energy changes in the following case while in use:

A ceiling fan

Energy can exist in several forms and may change from one form to another. State the energy changes that occur in the unwinding of a watch spring.

Energy can exist in several forms and may change from one form to another. State the energy changes that occur in a loaded truck when started and set in motion.

Energy can exist in several forms and may change from one form to another. State the energy changes that occur in a car going uphill.

Energy can exist in several forms and may change from one form to another. State the energy changes that occur in photosynthesis in green leaves.

Energy can exist in several forms and may change from one form to another. State the energy changes that occur in the Charging of a battery.

Energy can exist in several forms and may change from one form to another. State the energy changes that occur in respiration.

Energy can exist in several forms and may change from one form to another. State the energy changes that occur in the burning of a match stick.

Energy can exist in several forms and may change from one form to another. State the energy changes that occur in the Explosion of crackers.

State the energy changes in the following case while in use:

loudspeaker

State the energy changes in the following case while in use:

a steam engine

State the energy changes in the following case while in use:

Microphone

State the energy changes in the following case while in use:

Washing machine

State the energy changes in the following case while in use:

Burning coal

State the energy changes in the following case while in use:

A solar cell

State the energy changes in the following case while in use:

Bio-gas burner

State the energy changes in the following case while in use:

A petrol engine of a running car

State the energy changes in the following case while in use:

An electromagnet.

A metal ball of mass 2 kg is allowed to fall freely from rest from a height of 5 m above the ground. What happens to the mechanical energy after the ball hits the ground and comes to rest?