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प्रश्न
Which one of the following requires wind energy?
विकल्प
Bicycle
Photosynthesis
Parachute
Automobiles
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उत्तर
Parachute
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संबंधित प्रश्न
Write true or false of the following statement.
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- Take two aluminium channels of different lengths.
- Place the lower ends of the channels on the floor and hold their upper ends at the same height.
- Now take two balls of the same size and weight and release them from the top end of the channels. They will roll down and cover the same distance.
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