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प्रश्न
Give one example when:
Light energy changes to chemical energy.
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उत्तर
During photosynthesis, light energy changes to chemical energy.
संबंधित प्रश्न
What is solar energy?
State two advantages of using nuclear energy for producing electricity.
Renewable source of energy is:
A hydroelectric power station takes its water from a lake whose water level is 50 m above the turbine. Assuming an overall efficiency of 40%, calculate the mass of water which must flow through the turbine each second to produce power output of 1 MW. (Take g = 10 m s−2).
Give three examples of bodies possessing kinetic energy.
Obtain an expression for the potential energy of a body of mass m at a height h above the ground.
What is dissipation of energy?
How much hydro-electric power is generated in India?
A body of mass m falls from a height h1 to a height h2, above the ground (h1 > h2). What is the loss of potential energy?
What is the difference between the solid, liquid, and gaseous states of a substance?
