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प्रश्न
Fill in the blank
The ability to do work is called ______
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उत्तर
The ability to do work is called energy
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संबंधित प्रश्न
Write true or false of the following statement.
A gum bottle lying on a table has no energy.
Fill in the blank
The S.I.unit of energy is ______
Select the correct alternatives
When a bulb lights up on passing current, the change of energy is
State the unit of energy and define it.
What do you mean by conservation of mechanical energy? State the condition when does it hold.
What is energy?
How many joules are there in one kilowatt-hour?
Name the quantity whose unit is :
(a) kilowatt
(b) kilowatt-hour
Can you tell?
When can we say that displacement has taken place?
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)
