WAEC - Physics (1995 - No. 19)
How much heat is required to convert 20 g of ice at 0oC to water at the same temperature? (Specific latent heat of ice = 336 J g-1)
1.35 x 103J
5.38 x 103J
6.72 x 103J
7.06 x 103J
8.06 x 103J
ব্যাখ্যা
The formula of specific latent heat of fusion is given by: Q = mL
: 20 X 336
= 6720 or 6.72 X 10\(^3\)