NCERT Solutions for Chapter: Thermal Properties of Matter, Exercise 1: MCQ-I

A bimetallic strip is made of aluminium and steel $(a_{Al}>a_{steel})$ On heating, the strip will

A uniform metallic rod rotates about its perpendicular bisector with constant angular speed. If it is heated uniformly to raise its temperature slightly, which of the following statement is true?

The graph between two temperature scales $A$ and $B$ is shown in the figure. Between upper fixed point and lower fixed point there are $150$ equal division on scale $A$ and $100$ on scale $B$. The relationship for conversion between the two scales is given by

An aluminium sphere is dipped into water. Which of the following is true?

With the increase in temperature, how the time period of a pendulum changes?

Heat is associated with

The radius of a metal sphere at room temperature $T$ is $R$, and the coefficient of linear expansion of the metal is $\alpha$. The sphere is heated a little by a temperature $\Delta T$ so that its new temperature is $T+\Delta T$. What will be the approximate increase in the volume of the sphere? 

A sphere, a cube and a thin circular plate are of the same material and of the same mass are initially heated to the same temperature. Which one of the following statement is correct?