JEE PHYSICS MCQ: THERMAL PROPERTIES OF MATTER

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Application +4 | -1

The length of a metal rod at

{0^0}C

0.5\,m

. When it is heated, its length increases by

2.7\,mm

. The final temperature of rod is

\left[ {\alpha = 90 \times {{10}^{ - 61}}^0C} \right]

View answer and explanation

Correct option: D

{60^0}C

Option D (

{60^0}C

) is correct because it is calculated using the formula for linear thermal expansion.

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