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प्रश्न
State the energy changes which take place when:
A stone projected vertically upwards, returns back to the thrower.
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उत्तर
The kinetic energy changes to potential energy when stone rises up. The potential energy then changes back to kinetic energy, when stone comes down.
संबंधित प्रश्न
Name the process used for producing electricity using nuclear energy.
A ball is made to fall freely from a height. State the kind/ kinds of energy possessed by the ball when it is at the highest point .
Name five renewable sources of energy.
State two advantages of using nuclear energy for producing electricity.
MULTIPLE CHOICE TYPE:
The ultimate source of energy is:
(a) wood
(b) wind
(c) water
(d) sun
Write the type of energy possessed in the following case:
A bent bow
Give one example when:
Chemical energy changes to light energy.
Give one example when:
Chemical energy to electrical energy.
The solar cooker is an application of the ______ energy of the sun, while solar cells, solar lamps are applications of the ______ energy of the sun.
