(English Medium) ICSE Class 10 - CISCE Question Bank Solutions for Physics

m kg of a substance of specific heat capacity s J/kg °C is heated so that its temperature rises from θ₁°C to θ₂°C. Write down the expression for the heat Q supplied.

Name the substance which has maximum specific heat capacity.

Write two advantages of high specific heat capacity of water.

Does the specific heat capacity of a substance depend upon its mass and rise in temperature only?

Write the approximate values of the specific latent heat of fusion of ice.

Write the approximate values of the specific latent heat of vaporization of steam.

The farmers fill their fields with water in winter. Give reason.

Why is specific heat capacity taken as a measure of thermal inertia?

Explain, why is water sprayed on roads in evening in hot summer?

Explain, why temperature in hot summer, falls sharply after a sharp shower?

Explain, why do sandy soils, get heated up quickly as compared to wet soils?

Explain, why water is considered as best liquid for quenching thirst?

Explain, Why is it advisabile to pour cold water over burns, caused on human body, by hot solids?

Explain, why does a wise farmer water his fields, if forecast is forst?

Specific heat capacity of substance A is 3.8 J g^-1 K^-1whereas the specific heat capacity of substance B is 0.4 J g^-1 K^-1. Which of the two is a good conductor of heat? How is one led to this conclusion?

If substances A and B are liquids then which one would be more useful in car radiators?
Given: Specific heat capacity’A’ 3.8 J/g /K. Specific heat capacity ‘B’ 0.4 J/g /K.

A certain amount of heat Q will warm 1 g of material X by 3°C and 1 g of material Y by 4°C. Which material has a higher specific heat capacity?

An equal quantity of heat is supplied to two substances A and B. The substance A shows a greater rise in temperature. What can you say about the heat capacity of A as compared to that of B?

Is it possible to condense the water formed, back to ice by adding ice at 0°C. Explain with reason.

Give two reasons as to why copper is preferred over other metals for making calorimeters.