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A hammer of mass 1 kg having speed of 50...

A hammer of mass `1 kg` having speed of `50 m//s`, hit a iron nail of mass `200 gm`. If specific heat of iron is `0.105 cal//gm^(@)C` and half the energy is converted into heat, the raise in temperature of nail is

A

`7.1^(@)C`

B

`9.2^(@)C`

C

`10.5^(@)C`

D

`12.1^(@)C`

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The correct Answer is:
A
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ERRORLESS -THERMOMETRY, THERMAL EXPANSION AND CALORIMETRY -Calorimetery
  1. Which of the following is the unit of specific heat

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  2. 540 g of ice at 0^(@)C is mixed with 540 g of water at 80^(@)C. The fi...

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  3. The freezing point of the liquid decreases when pressure is increased,...

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  4. The relative humidity on a day, when partial pressure of water vapour ...

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  5. A hammer of mass 1 kg having speed of 50 m//s, hit a iron nail of mass...

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  6. Latent heat of 1 gm of steam is 536 cal/gm , then its value in joule/k...

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  7. Which of the following has maximum specific heat?

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  8. If 10 g of the ice at 0^@C is mixed with 10g of water at 100^@ C, then...

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  9. A stationary object at 4^(@)C and weighing 3.5 kg falls from a height ...

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  10. 300 grams of water at 25^@ C is added to 100 grams of ice at 0^@ C. Th...

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  11. Calculate the amount of heat (in calories) required to convert 5 gm of...

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  12. 2gm of steam condenses when passed through 40 gm of water initially at...

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  13. 10 g of ice at 0^@C is mixed with 100 g of water at 50^@C. What is the...

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  14. Three liquids with masses m(1),m(2),m(3) are thoroughly mixed. If thei...

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  15. The point on the pressure temperature phase diagram where all the phas...

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  16. Boiling water is changing into steam. Under this condition the specifi...

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  17. A vessel contains 110 g of water. The heat capacity of the vessel is e...

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  18. The thermal capacity of a body is 80 cal , then its water equivalent i...

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  19. A liquid of mass M and specific heat S is at a temperature 2T. Another...

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  20. Dry ice is

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