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A trough contains mercury to a depth of 3.6 cm. If some amount of mercury is poured in it then height of mercury in the trough will be

a)

3.6 cm

b)

7.2 cm

c)

6 cm

d)

None of these


Question ID - 57382 | Toppr Answer

A trough contains mercury to a depth of 3.6 cm. If some amount of mercury is poured in it then height of mercury in the trough will be

a)

3.6 cm

b)

7.2 cm

c)

6 cm

d)

None of these

1 Answer - 5876 Votes

3537

Answer Key : (b) -

(b)

Let  be the area of cross-section of through and  be the density of mercury

Initial mass of mercury in trough

Final mass of mercury in trough

or  cm



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