Odisha Board Solutions for Chapter: Heat Phenomena, Exercise 1: MODEI. QUESTIONS

What is the change in internal energy when $1\mathrm{gm}$ of ice at $0°\mathrm{C}$ is converted into the water at $0°\mathrm{C}$ with negligible change in the volume.

The temperature of a block of iron is $140°F.$ Its temperature on Celsius scale is

Which of the following produces more severe burns?

Which among the following substances has the highest specific heat?

Heat $Q$ is produced when mechanical work $W$ is done. These are related by

Latent heat of fusion of ice is

The coefficient of linear expansion of platinum is $9\times {10}^{-6}{{}^0\mathrm{C}}^{-1}$. Its coefficient of volume expansion is

When a copper ball is heated, the largest percentage increase will be in its