Heat is supplied to a test tube containing 100g of ice at its melting point. The ice melts completely in 1 min.What is the power rating of the source of heat? [Latent heat of fusion of ice = 336Jg-1]
a
336W
b
450W
c
560W
d
600W
Explanation
Correct Option
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Anela
1 year ago
Pt = ML
p=?
t= 1×60 secs
=60
M=100
L=336
= 60p=336×100
= 60p=33600
DBS by 60
=p=33600/60
=560(ans)



