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Modulus of rigidity of ideal liquids is...

Modulus of rigidity of ideal liquids is

A

infinity

B

zero

C

unity

D

some finite small non-zero constant value

Text Solution

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The correct Answer is:
B
(b) No frictional (viscous) force exists in case of ideal fluid, hence tangential force are zero so there is no stress developed.
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DC PANDEY-ELASTICITY-Chapter Exercise
  1. The valve of Poisson's ratio lies between

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  2. The only elastic modulus that applies to fluids is

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  3. Modulus of rigidity of ideal liquids is

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  4. The work done in stretching an elastic wire per unit volume is or stra...

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  5. The maximum load a wire can withstand without breaking, when its lengt...

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  6. For steel Y=2xx10^(11) Nm^(-2). The force required to double the lengt...

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  7. Longitudinal stress of 1 kg//mm^(2) is applied on a wire. The percenta...

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  8. The Young's modulus of a wire Y. If the energy per unit volume is E, t...

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  9. When a force is applied at one end of an elastic wire, it produce a st...

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  10. The young's modulus of a wire of length (L) and radius (r ) is Y. If t...

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  11. The Young's modulus of a wire is numerically equal

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  12. The length of an iron wire is L and area of cross-section is A. The in...

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  13. The graph show the behaviour of a length of wire in the region for whi...

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  14. A metal block is experiencing an atmospheric pressure of 1 xx 10^(5)N/...

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  15. The bulk modulus of water is 2.1xx10^(9) Nm^(-2). The pressure require...

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  16. If the Young's modulus of the material is 3 times its modulus of rigid...

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  17. For a given material the Young's modulus is 2.4 times that of its ri...

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  18. Mark the wrong statement

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  19. The increase in length on stretching a wire is 0.05 %. If its poisson'...

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  20. A spring is stretched by applying a load to its free end. The strain...

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