In which case does the potential energy decreases

On compressing the spring

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On stretching a spring

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On moving a body against gravitational pull

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On the rise of an air bubbble in water

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Solution

The correct option is C On moving a body against gravitational pull
On rising of an air bubble in water, depth of bubble starts decreasing which lead to decrease in its buoyancy potential energy.
Hence, the answer is on the rise of an air bubble in water.

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Similar questions

Name the form of energy (kinetic energy K or potential energy U) possessed in the following cases:

(a) A moving cricket ball

(b) A compressed spring

(d) A stretched wire

(e) An arrow shot out of a bow

(f) A piece of stone placed on the roof.

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