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Define Perfectly elastic body....

Define Perfectly elastic body.

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Perfect elastic body : A body which regains its original configuration immediately and completely after the removal of deforming force is called perfect elastic body.
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PATHFINDER-PROPERTIES OF BULK MATTER-QUESTION BANK
  1. What is energy density of a stretched wire?

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  2. Define Elastic limit.

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  3. Define Perfectly elastic body.

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  4. Define Poisson's ratio. Explain whether it is a modulus of elasticity ...

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  5. State and explain Hooke’s law.

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  6. Define Young's modulus. Mention Its SI unit.

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  7. "Young's modulus of steel is 2.4times10^12 dyne/cm^2"----What do you m...

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  8. Define stress and strain.

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  9. Define volume stress and Bulk modulus.

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  10. Which is more elastic rubber or steel? Explain.

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  11. The length of a wire increases by 8cm when a weight of 5Kg is hung. If...

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  12. A sphere contracts in volume by 0.02% when taken to the bottom of sea ...

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  13. A metal cube of side 10cm is subjected to a shearing stress of 10^4 Nm...

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  14. Find an expression for the potential energy in a stretched wire. (Simi...

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  15. When a stretched wire is snapped it undergoes a change in temperature....

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  16. A wire (Y =2xx10^11N//m^2) has length 1m and area 1mm^2. Calculate the...

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  17. Work done in stretching a wire by 1mm is 2J. Then calculate the work d...

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  18. When a 4kg mass is hung vertically on a light spring that obeys Hooke'...

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  19. A spring of spring constant 5xx10^3 N//m is stretched initially by 5cm...

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  20. Find the elastic deformation energy of a steel rod of mass m=3.1 kg st...

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