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Water rises in a capillary tube to a height . It will rise to a height more than

a)

On the surface of sun

b)

In a life moving down with an acceleration

c)

At the poles

d)

In a lift moving up with an acceleration


Question ID - 57397 | Toppr Answer

Water rises in a capillary tube to a height . It will rise to a height more than

a)

On the surface of sun

b)

In a life moving down with an acceleration

c)

At the poles

d)

In a lift moving up with an acceleration

1 Answer - 5876 Votes

3537

Answer Key : (b) -

(b)

When life is accelerated downwards, the observed weight of body in a lift decreases. Hence, to counter balance the upward pull due to surface tension on the liquid meniscus, the height through which the liquid rises must increase



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