NEET UG PHYSICS MCQ: THERMAL PROPERTIES OF MATTER

1 Medium

1 of 1

Application +4 | -1

A metal rod of Young’s modulus

\gamma

and coefficient of thermal expansion

\alpha

is held at its two ends such that its length remains invariant. If its temperature is raised by

{t^0}C

, the linear stress developed in it is

View answer and explanation

Correct option: C

{\gamma \alpha t}

Option C (

{\gamma \alpha t}

) is correct because it is the formula for linear stress developed in the rod when its temperature is raised.

More Questions from THERMAL PROPERTIES OF MATTER

Practice All Chapter MCQs →

60 \mathrm{~cm} \times 50 \mathrm{~cm} \times 20 \mathrm{~cm}

1 \mathrm{~cm}

0^{\circ} \mathrm{C}

40^{\circ} \mathrm{C}

3.4 \times 10^5 \mathrm{~J} \mathrm{~kg}^{-1}

\left. {0.05{\text{W}}{{\text{m}}^{ - 1}}^\circ {{\text{C}}^{ - 1}}} \right)

2 \times 10^5 \mathrm{~J} / \mathrm{sm}^2

127^{\circ} \mathrm{C}

32 \times 10^5 \mathrm{~J} / \mathrm{s}-\mathrm{m}^2

\sigma

+ \frac{1}{2}