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Olympiad workbook

Exam: Olympiad workbook
Subject: NSEP
Chapter: Thermal Properties of Matter

Olympiad workbook · NSEP · Thermal Properties of Matter

The temperature of an isolated black body falls from T_1 to T_2 in...

The temperature of an isolated black body falls from

T_1

to

T_2

in time

t

. Then,

t=C x

where

x

is

Options

A $\left(\frac{1}{\mathrm{~T}_2}-\frac{1}{\mathrm{~T}_1}\right)$
B $\left(\frac{1}{\mathrm{~T}_2^2}-\frac{1}{\mathrm{~T}_1^2}\right)$
C $\left(\frac{1}{\mathrm{~T}_2^3}-\frac{1}{\mathrm{~T}_1^3}\right)$
D $\left(\frac{1}{\mathrm{~T}_2^4}-\frac{1}{\mathrm{~T}_1^4}\right)$

Correct answer

C. $\left(\frac{1}{\mathrm{~T}_2^3}-\frac{1}{\mathrm{~T}_1^3}\right)$

Step-by-step solution

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