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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 of mass 0.20 kg is thrown vertically upwards with an initial velocity of 20 m s-1. Calculate the maximum potential energy it gains as it goes up.
A pendulum is oscillating on either side of its rest position. The correct statement is:
State whether the object possess kinetic energy, potential energy, or both :
A man climbing a hill _____________.
What kind of energy is possessed by the following?
A compressed spring ____________.
Fill in the blank with suitable word :
The ability of a body to do work is called __________. The ability of a body to do work because of its motion is called __________.
Name the device which converts electrical energy into mechanical energy.
Name the device or machine which convert :
Light energy into electrical energy.
A ball falls to the ground as shown below :
Which law you have made use of in answering this question?
When an object falls freely towards the earth, then its total energy :
A body of mass 10 kg falls from a height of 20 m to 8 m. Calculate:
- the loss in potential energy of the body, and
- the total energy possessed by the body at any instant? (Take g = 10 m s-2)
