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प्रश्न
Fill in the blank with suitable word:
The electricity meter installed in our homes measure electrical energy in the units of ___________.
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उत्तर
The electricity meter installed in our homes measure electrical energy in the units of kilowatt- hour.
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संबंधित प्रश्न
State the condition under which the mechanical energy is conserved.
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.
State whether the object possess kinetic energy, potential energy, or both :
A stretched spring lying on the ground ____________.
What kind of energy is possessed by the following?
Water stored in the reservoir of a dam __________.
What kind of energy is possessed by the following?
A compressed spring ____________.
Fill in the blank with suitable word :
The sum of the potential and kinetic energies of a body is called __________ energy.
Fill in the blanks with suitable words:
When a ball is thrown upwards, ___________ energy is transformed into ___________ energy.
What do you understand by the term 'transformation of energy"? Explain with an example.
Explain the transformation of energy in the following cases :
(i) A ball thrown upwards.
(ii) A stone dropped from the roof of a building.
Which one of the following is not the unit of energy?
