Question

A 10 watt electric heater is used to heat a container
filled with 0.5 kg of water. It is found that the
temperature of water and the container rises by 3 K
in 15 minutes. The container is then emptied, dried
and filled with 2 kg of oil. The same heater now
raises the temperature of container-oil system by
2 K in 20 minutes. Assuming that there is no heat
loss in the process and the specific heat of water as
4200 J kg- K-, the specific heat of oil in the same
unit is equal to
(a) 1.50 Ⓡ 103 (b) 2.55 x 103
(c) 3.00 x 103 (d) 5.10 × 103 ​

Answer 1

Answer:

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