A 90-W immersion heater is used to supply energy for five minutes. The energy supplied is used to completely melt 180g of a solid at is melting point. Neglecting energy losses to the surroundings, calculate the specific latent heat of fusion of the solid
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Correct Answer: Option B
Explanation:
Pt = mL
L = \(\frac{pt}{m} = \frac{90 \times 5}{180}\)
= 2.5
Pt = mL
L = \(\frac{pt}{m} = \frac{90 \times 5}{180}\)
= 2.5