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प्रश्न
What is the main energy transformation that occur in:
Photosynthesis in green leaves.
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उत्तर
Light energy of chemical energy.
संबंधित प्रश्न
A bucket full of water .is on the first floor of your house and another identical bucket with same quantity of water is kept on the second floor. Which of the two has greater potential energy ?
Select the renewable and non-renewable sources of energy from the following:
Diesel
State two uses of solar cells.
Explain the principle of producing electricity using the nuclear energy.
State the energy transformation on the following:
Electricity is obtained from wind energy.
State the energy changes which take place when:
During electrolysis.
Give one example when:
Chemical energy changes to light energy.
A ball of mass 50 g falls from a height of 2m and rebounds from the ground to 1.6 m. Find:
(i) The potential energy possessed by the ball when initially at rest.
(ii) The kinetic energy of the ball before it hits the ground.
(iii) The final potential energy of the ball.
(iv) The loss in kinetic energy of the ball on collision. (Take: g = 10N kg−1)
Can you tell?
What are the various forms of energy?
You do not have rangoli powder. What things can you use as an alternative?
