Home Physics Thermometry, Thermal Expansion and Calorimetry Statement Based Read the following statements:
Physics Thermometry, Thermal Expansion and Calorimetry Statement Based MCQ (Single Correct)

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. A, B, C only
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 A, B only
C
A carnot Engine working between 100 K and 400 K has an efficiency of 75% A, C only
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: B, C, D only

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Text Solution

Verified by Experts
The correct answer is:
A

Heat Transfer

by Newton's low of colling

is correct

is wrong as

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