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PHYSICS

JAMB 2023 - Question 23

Physics 2023 JAMB Past Questions - Question 23: A given quantity of heat increases the temperature of 150grams of water from 9°C to 15°C and increases the. temperature of an equal volume of oil weighing 1000rams from 9°C to 25°C. The ratio of the specific heat of oil to that of water is

A given quantity of heat increases the temperature of 150grams of water from 9°C to 15°C and increases the. temperature of an equal volume of oil weighing 1000rams from 9°C to 25°C. The ratio of the specific heat of oil to that of water is

A: 0.36

B: 0.56

C: 0.46

D: 0.76

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Correct Answer

Explanation

Heat lost = heat gained

moCoθ?o = mwCwθ?w

100 x Co x (25 - 9) = 150 x Cw x (15 - 9)

CwCw???? = 0.56