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Two cylinders of same cross-section and length  but made of two material of densitites  and  (in CGS units) are cemented together to form a cylinder of length . If the combination floats in water with a length  above the surface of water and , then

a)

b)

c)

d)


Question ID - 57394 | Toppr Answer

Two cylinders of same cross-section and length  but made of two material of densitites  and  (in CGS units) are cemented together to form a cylinder of length . If the combination floats in water with a length  above the surface of water and , then

a)

b)

c)

d)

1 Answer - 5876 Votes

3537

Answer Key : (b) -

(b)

Mass of the cylinders . As cylinders float with length  outside the water, therefore length of cylinder inside the water . When cylinders are floating, then, weight of cylinder  weight of water displaced by cylinder

So

Or

As , so



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