Monohar Pandey Solutions for Exercise 4: Exercise 4

The relation between volume and temperature of a sample of water in the range $0°\mathrm{C}$ to $100°\mathrm{C}$ is best represented by_________________.

Consider the following statements
1. Specific heat capacity is the amount of heat required to raise the temperature of 1 kg of a substance through 1 kelvin.
2. The Sl unit of specific heat capacity is Jkg^-1 K^-1 and in CGS it is cal g^-1 °C^-1.
3. Thermal capacity is the amount of heat required to raise the temperature of a given amount of substance through 1 kelvin.
Which of the statements given above are correct?

When a temperature is gradually decreased, the specific heat of substance is

Which one of the following substances has greatest specific heat?

Consider the following statements
1. Glaciers always melt at the bottom first.
2. Calorimeters are generally made of coppers.
3. The unit of latent heat is cal/g.
4. If a substance contracts on heating, its co-efficient of linear expansion is negative.
Which of the statements given above are correct?

A liquids boils when its vapour pressure equals

When we rub our palms they gets heated but to a maximum temperature because

When red glass is heated in dark room it will seem?