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प्रश्न
Give one example when:
Chemical energy changes to light energy.
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उत्तर
During the burning of magnesium, chemical energy changes to light energy.
संबंधित प्रश्न
Name six different forms of energy?
State the energy changes in the following case while in use:
an electric cell in a circuit
Select the renewable and non-renewable sources of energy from the following:
Coal
How is wind energy used to produce electricity?
Name the energy changes for the following:
electric ball
A ball of mass 0.5 kg slows down from a speed of 5m/s-1 to that of 3m/s-1. Calculate the change in kinetic energy of the ball.
Draw a diagram to show the energy changes in an oscillating simple pendulum. Indicate in your diagram how the total mechanical energy in it remains constant during the oscillation.
Use your brain power!
How do we save fuel by using public transport?
Name the type of energy (kinetic energy K or potential energy U) possessed in the following case:
A moving cricket ball
