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Which of the following statements is inc...

Which of the following statements is incorrect?

A

Young's modulus and shear modulus are relevant only for solids.

B

Bulk modulus is relevant for solids, liquids and gases.

C

Metals have larger values of Young's modulus than elastomers.

D

Alloys have larger values of Young's modulus than metals.

Text Solution

Verified by Experts

The correct Answer is:
D
Metals have larger values of Young's modulus than alloys and elestomers.
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NCERT FINGERTIPS-MECHANICAL PROPERTIES OF SOLIDS-Elastic Moduli
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  2. Which of the following statements is incorrect?

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  3. For a perfectly rigid body

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  4. Identical springs of steel and copper (Y("Steel") gt Y("copper")) are ...

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  5. Let Y(s) and Y(A) represent Young's modulus for steel and aluminium ...

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  6. Which of the following substances has highest value of Young's modulus...

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  7. If the work done in stretching wire by 1mm is 2J, then work necessary ...

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  8. The following four wires are made of the same material which of these ...

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  9. Four identical hollow cylindrical cloumns of steel support a big struc...

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  10. The elastic energy stored per units volume in a streched wire is

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  11. Two wires of the same material and length but diameter in the ratio 1:...

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  12. Young's modulus of a wire depends on

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  13. A light rod of length 2 m is suspended ceiling horizontally by means o...

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  14. In the question number 36, at which distance a weight may be hung alon...

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  15. A wire of length L and radius r is clamped at one end. On stretching t...

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  16. The radii and Young's moduli of two uniform wires A and B are in the r...

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  17. A steel cable with a radius 2 cm supports a chair lift at a ski area. ...

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  18. A steel rod of length 1 m and radius 10 mm is stretched by a force 100...

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  19. In the question number 11, the percentage strain produced in the rod i...

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  20. A steel wire can support a maximum load of W before reaching its elast...

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