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A steel wire of length 4.5 m and cross-s...

A steel wire of length 4.5 m and cross-sectional area `3 xx 10^(-5) m^(2)` stretches by the same amount as a copper wire of length 3.5 m and cross-sectional area of `1 x 10^(-5) m^(2)` under a given load. The ratio of the Young's modulus of steel to that of copper is

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The correct Answer is:
1.8
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NCERT TAMIL-MECHANICAL PROPERTIES OF SOLIDS -Exercises
  1. A steel wire of length 4.5 m and cross-sectional area 3 xx 10^(-5) m^(...

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  2. Figure 9.11 shown the strain - stress curve for a given material. What...

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  3. The stress - strain graphs for materials A and B are shown in Fig . 9....

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  4. Read each of the statement below carefully and state, with reasons, if...

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  5. Two wires of diameter 0.25 cm, one made of steel and the other made of...

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  6. The edges of an aluminum cube are 10 cm long. One face of the cube is ...

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

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  8. A piece of copper having a rectangular cross section of 15.2 xx 19.1 m...

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  9. A steel cable with a radius of 1.5 cm support a chairlift at a ski are...

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  10. A rigid bar of mass 15 kg is supported symmetrically by three wires ea...

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  11. A 14.5 kg mass, fastened to the end of a steel wire of unstretched len...

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  12. Compute the bulk modulus of water from the following data : initial vo...

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  13. What is the density of ocean water at a depth, where the pressure is 8...

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  14. Compute the fractional change in volume of a glass slab, when subjecte...

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  15. The volume change of a solid copper cube 20 cm on an edge, when subjec...

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  16. How much pressure should be applied on a litre of water if it is to be...

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  17. Anvils made of single crystals of diamond, with the shape as shown in ...

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  18. A rod of length 1.05 m having negligible mass supported at its ends by...

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  19. A mild steel wire of length 1.0 m and cross-sectional are 0.5 xx 10^(-...

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  20. Two strips of metal are riveted together at their ends by four rivets...

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