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Consider two cylindrical rods of indenti...

Consider two cylindrical rods of indentical dimesnions, one of rubber and the other of steel. Both the rods are fixed rigidiy at one end to the roof. `A` mass `M` is attached to each of the free ends at the centre of the rods.

A

Both the rods will elongate but there shall be no perceptible change in shape

B

The steel rod will elongate and change shape but the rubber rod will only elongate.

C

The steel rod will elongate without any perceptible change in shape, but the bottom edge will change to an elipse.

D

The steel rod will elongate, without any perceptible change in shape, but the rubber rod will elongate with the shape of the bottom edge tapered to a tip at the center.

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The correct Answer is:
D
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