Question

Assertion : The length of the spring increase when iron sphere is suspended. The same sooner when immersed completely in water the extention in the length of the spring decreases.

Reason : Buoyant force is more in water than in are.


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Answer 1

Answer:

A)

Explanation:

The length of the spring increase when iron sphere is suspended. The weight of iron sphere pulls down spring .The same sooner when immersed completely in water the extention in the length of the spring decreases. The buoyant force acts on sphere upwards thus reducing the weight as weight and buoyantforce act in opposite direction.

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