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प्रश्न
State two advantage of producing hydroelectricity.
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उत्तर
Advantages of producing the hydroelectricity:
1. It does not produce any environmental pollution.
2. It is a renewable source of energy.
संबंधित प्रश्न
Write the formula for work done on a body when the body moves at an angle to the direction of force. Give the meaning of each symbol used.
When is the work done by a force on a body : (a) positive, (b) negative, and (c) zero?
Why is the work done on an object moving with uniform circular motion zero?
Name the physical quantity whose SI unit is Nm.
If an electric bulb of 100 watt is lighted for 2 hours, how much electric energy would be consumed?
A bullet is of mass 'm' g and is moving with a velocity 'v' m/s. Find the kinetic energy of the bullet when
(a) The mass is doubled,
(b) The velocity is tripled.
Give an example
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