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JEE Main Physics Class 11 Properties of Solids and Liquids Questions Part 3 Questions

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Question : 72

Total: 100

Read the following statements :
A. When small temperature difference between a liquid and its surrounding is doubled, the rate of loss of heat of the liquid becomes twice.
B. Two bodies P and Q having equal surface areas are maintained at temperature 10∘C and 20∘C. The thermal radiation emitted in a given time by P and Q are in the ratio 1:1.15.
C. A Carnot Engine working between 100K and 400K has an efficiency of 75%.
D. When small temperature difference between a liquid and its surrounding is quadrupled, the rate of loss of heat of the liquid becomes twice.
Choose the correct answer from the options given below :

[27-Jul-2022-Shift-1]

A, B, C only
A, B only
A, C only
B, C, D only

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