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Coefficient of Viscosity

A cork submer...

Question

A cork submerged in water by a spring attached to the bottom of a bowl. when the bowl is kept in an elevator moving upward with an acceleration the length of the spring

A

Increases

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B

Decreases

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C

Remains constant

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D

May increase or decrease

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Solution

The correct option is D Increases
Length of spring increases since

effective gravity on the bowl increases

So that length increases.

Answer:(A) increases.

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