Question on: WAEC Physics - 1998
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
A
0.5Jg-1
B
2.5Jg-1
C
15.0Jg-1
D
450.0Jg-1
Ask EduPadi AI for a detailed answer
Correct Option: B
Pt = mL
L = (\frac{pt}{m} = \frac{90 \times 5}{180})
= 2.5
Add your answer
Please share this, thanks!
No responses