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A heating curve has been plotted for a s...

A heating curve has been plotted for a solid object as shown in the figure. If the mass of the object is 100g, then latent heat of vaporization for the material of the object is [Given, power supplied to the object is constant and equal to 1 kW]

A

`4.5 xx 10^(6) J- kg^(-1)`

B

`4.5 xx 10^(6) "cal"kg^(-1)`

C

`4.5 xx 10^(8) J- kg^(-1)`

D

`4.5 xx 10^(4) "cal"- kg^(-1)`

Text Solution

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The correct Answer is:
A
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