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Newton's Law of Cooling

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Newton's Law of Cooling Class 11th

Where is Newton's Law of Cooling used?
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Syed Aquib Ur Rahman

Contributor-Level 10

It's applied in forensics for estimating time of death, in engineering for cooling rate analysis, and in food Science to predict cooling times.

New answer posted

2 months ago

Newton's Law of Cooling Class 11th

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%.                                    

...more
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alok kumar singh

Contributor-Level 10

A.A is correct statement

η = 1 − T 2 T 1 = 1 − 1 0 0 4 0 0 = 3 4 = 7 5 %

 

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