JEE PHYSICS MCQ: THERMAL PROPERTIES OF MATTER

1 Medium

1 of 1

Understanding +4 | -1

A brass disc fits simply in a hole of a steel plate. The disc from the hole can be loosened if the system

View answer and explanation

Correct option: D

Is cooled

Option D (Is cooled) is correct because the coefficient of linear expansion of brass is greater than that of steel, so cooling will cause the brass disc to contract more than the steel plate.

More Questions from THERMAL PROPERTIES OF MATTER

Practice All Chapter MCQs →

In the relation

n = \frac{{PV}}{{RT}},n =

Mud houses are cooler in summer and warmer in winter because For cooking the food, which of the following type of utensil is most suitable Which of the following statements is correct? 300 gm of water at

{25^0}

is added to 100 g of ice at

{0^0}C

. The final temperature of the mixture is A black body radiates energy at the rate of

E\,\,W{m^{ - 2}}

at a high temperature T K. When the temperature is reduced to

\left( {\frac{T}{2}} \right)K

the radiant energy is