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प्रश्न
Name the device or machine which convert :
Chemical energy into heat energy.
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उत्तर
A gas stove converts chemical energy into heat energy.
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संबंधित प्रश्न
A ball is placed on a compressed spring. What form of energy does the spring possess? On releasing the spring, the ball flies away. Give a reason.
A stone of mass 500 g is thrown vertically upwards with a velocity of 15 m/s. Calculate:
- the potential energy at the greatest height,
- the kinetic energy on reaching the ground, and
- the total energy at its half-way point.
What kind of energy is possessed by the following?
A stone kept on roof-top _______________
Fill in the blank with suitable word :
The sum of the potential and kinetic energies of a body is called __________ energy.
What is the difference between potential energy and kinetic energy?
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Name the device or machine which convert :
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A ball falls to the ground as shown below :
What is the potential energy of ball at B?
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