Advertisements
Advertisements
प्रश्न
Advertisements
उत्तर
APPEARS IN
संबंधित प्रश्न
Name the type of energy (kinetic or potential) possessed by the following:
A stretched rubber band.
A boy of mass m climbs up a staircase of vertical height h.
(a) What is the work done by the boy against the force of gravity?
(b) What would have been the work done if he uses a lift in climbing the same vertical height?
Select the renewable and non-renewable sources of energy from the following:
Wood
State four ways for the judicious use of energy.
State the energy changes which take place when:
Photographic film is exposed to sunlight.
State the energy changes which take place when:
Burning of coal.
Give one example when:
Chemical energy to electrical energy.
Can you tell?
What are the various forms of energy?
When and why do clothes smell of naphthalene?
A good fuel should possess:
