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प्रश्न
Running water possesses ______.
पर्याय
potential energy
chemical energy
kinetic energy
sound energy
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उत्तर
Running water possesses kinetic energy.
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संबंधित प्रश्न
Fill in the blank
Cooking gas converts _______ energy into heat energy.
Match the following columns
| COLUMN A | COLUMN B |
| 1. Running water | 1. heat energy |
| 2. Burning | 2. vibrations |
| 3.Energy | 3.atom bomb |
| 4.Sound energy | 4.kinetic energy |
| 5.Nuclear energy | 5.joule |
State the unit of energy and define it.
Give a reason for the following.
The efficiency of a machine is always less than 100%.
Name the commercial unit of measurement of energy.
Name two units of power bigger than watt.
Name the quantity whose unit is :
(a) kilowatt
(b) kilowatt-hour
Derive the relation between commercial unit of energy (kWh) and SI unit of energy (joule).
What energy transfer happen in a car engine?
A ball is dropped from a height of 10 m. If the energy of the ball reduces by 40% after striking the ground, how much high can the ball bounce back? (g = 10 m s–2)
