A. 2/9ºC
B. 4/9ºC
C. 9/2ºC
D. 9/4ºC
Correct Answer:
Option B = 4/9ºC
Explanation
Using the law of conservation of energy
mc△θ = mgh
△θ = gh/c=10×20/450 = 4/9ºC
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![An immersion heater rated 400W, 220V is used to heat a liquid of mass 0.5kg. If the temperature of the liquid increases uniformly at the rate of 2.5ºC per second, calculate the specific heat capacity of the liquid. [Assume no heat is lost]](https://erudites.ng/wp-content/plugins/contextual-related-posts/default.png "An immersion heater rated 400W, 220V is used to heat a liquid of mass 0.5kg. If the temperature of the liquid increases uniformly at the rate of 2.5ºC per second, calculate the specific heat capacity of the liquid. [Assume no heat is lost]")
