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प्रश्न
Match the pairs.
| Group 'A' | Group 'B' | ||
| (1) | Rolling object | (a) | Heat energy |
| (2) | Food | (b) | Atomic energy |
| (3) | Stretched bow | (c) | Kinetic energy |
| (4) | Sunlight | (d) | Potential energy |
| (5) | Uranium |
(e)
|
Chemical energy
|
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उत्तर
| Group 'A' | Group 'B' | ||
| (1) | Rolling object | (c) | Kinetic energy |
| (2) | Food | (e) | Chemical energy |
| (3) | Stretched bow | (d) | Potential energy |
| (4) | Sunlight | (a) | Heat energy |
| (5) | Uranium |
(b)
|
Atomic energy
|
संबंधित प्रश्न
Name six different forms of energy?
Name the two groups in which various sources of energy are classified. State on what basis are they classified.
Select the renewable and non-renewable sources of energy from the following:
Water
What is hydro energy?
A hydroelectric power station takes its water from a lake whose water level is 50 m above the turbine. Assuming an overall efficiency of 40%, calculate the mass of water which must flow through the turbine each second to produce power output of 1 MW. (Take g = 10 m s−2).
A metal ball of mass 2kg is allowed to fall freely from rest from a height of 5m above the ground.
What the kinetic energy of the ball just before it hits the ground ?
State the energy changes which take place when:
An air gun is loaded and then fired.
State the energy changes which take place when:
A battery lighting up a bulb.
When and why do clothes smell of naphthalene?
You do not have rangoli powder. What things can you use as an alternative?
