Young's modulus of a perfectly rigid body is

zero

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unity

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finite and low

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infinite

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Solution

The correct option is D
infinite

$Y o u n g' s m o d u l u s = \frac{l o n g i t u d i n a l s t r e s s}{l o n g i t u d i n a l s t r a i n}$
For a perfectly rigid body, the strain is zero.
So its young's modulus will be infinite.
Hence, option D is correct.

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Similar questions

why is youngs modulus infinte 4 a perfectly rigid body?

1.youngs modulus of elasticity of a perfectly rigid body is

a.unity b.zero c.infinity d.none of these

2.bulk modulus of a perfectly rigid body is

a.unity b.zero c.infinite d.some finite small non-zero constant value

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