Question on: JAMB Physics - 2024
The quantity of heat required to melt ice of 0.2 kg whose specific latent heat is 3.4 x 105 J/kg is
A
6.8 x 104J
B
8.6 x 104J
C
1.7 x 105J
D
1.7 x 106J
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Correct Option: A
Use the formula:
Q = mL
- m = 0.2 kg
- L = 3.4 x 105 J/kg
Calculate:
Q = 0.2 * 3.4 x 105 = 6.8 x 104 J
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