Calorimetry

Appeared in 11 of the 11 available papers.

Examined in

11 of 11 papers

Appears almost every year — treat as core

Typically worth

12.3 marks

Average per paper it appears in · 135 marks in total

Usual form

Short answer

43% of this chapter's 86 questions

Needs a diagram

10%

9 questions carry a figure — practise drawing them

Question-type distribution

Short answer37
Numerical16
MCQ11
Reasoning8
Diagram5
Definition3
Identification2
Fill in the blank2

Most frequent topics

Heat and calorimetry 47Principle of calorimetry 3Specific latent heat 3Specific heat capacity 2Choice of calorimeter material 2Latent heat of fusion 2Heat capacity 2Nuclear physics / radioactivity 1

Print:Questions only Questions + answers Answers only

Print chapter question bank

Showing 25 of 86 matching questions (135 marks).

25 questions

Choose the correct answers to the questions from the given options. (Do not copy the questions, write the correct answers only.)

1(xii)2023

MCQEasy1 mark

Specific latent heat of a substance: (a) is directly proportional to the mass (b) is directly proportional to the change in the temperature (c) depends on the material (d) is inversely proportional to the mass

1(xiii)2023

MCQEasy1 mark

Specific heat capacity of a substance X is 1900 Jkg-1°C-1 means: (a) Substance X absorbs 1900 J for 1°C rise in temperature (b) 1 kg of substance X absorbs 1900 J heat for 1°C rise in temperature (c) 1 kg of substance X absorbs 1900 J heat to increase the temperature (d) 1 kg of substance X absorbs 1900 J heat to cool down by 1°C

3(iv)

Thermal capacities of substances A and B are same. If mass of A is more than mass of B then:

3(iv)(a)2023

Short answerEasy1 mark

Which substance will have more specific heat capacity?.

3(iv)(b)2023

Short answerEasy1 mark

Which substance will show greater rise in temperature if the same amount of heat is supplied to both?

9(i)2023

NumericalModerate3 marks

Calculate the total amount of heat energy required to melt 200 g of ice at 0°C to water at 100°C. (Specific latent heat of ice = 336 J g-1, specific heat capacity of water = 4.2 J g-1°C-1)

9(ii)(a)2023

Short answerEasy1 mark

State the principle of calorimetry.

9(ii)(b)2023

Short answerEasy1 mark

Name the material used for making a calorimeter.

Short answerEasy1 mark

Write one characteristic property of the material chosen for making a calorimeter.

Choose the correct answers to the questions from the given options. (Do not copy the questions, write the correct answers only.)

1(vii)2022

MCQEasy1 mark

If water absorbs 4000 joule heat to increase the temperature of 1 kg water through 1°C then the specific heat capacity of water is : (a) 4 Jkg-1°C-1 (b) 400 Jg-1°C-1 (c) 4 Jg-1°C-1 (d) 4.2 Jg-1°C-1

1(viii)2022

MCQEasy1 mark

Water is used in car radiators because : (a) it is a good conductor of heat. (b) it conducts heat faster as compared to the other substances and cools the engine quickly. (c) its specific heat capacity is very low. (d) its specific heat capacity is very high so it can cool the engine without a greater increase in its own temperature.

2(ii)(a)2022

Short answerEasy1 mark

Give an important reason for copper to be used as a material for a calorimeter.

2(ii)(b)2022

NumericalModerate2 marks

Calculate the thermal capacity of 40 g of water. [Specific heat capacity of water = 4200 JKg-1°C-1]

3(ii)(a)2022

ReasoningModerate1.5 marks

Why does it become colder after a hailstorm than during or before the hailstorm?

3(ii)(b)2022

Short answerEasy1.5 marks

'If two bodies have the same specific heat capacities, then they will always absorb the same amount of heat if their temperature increases by the same amount.' State whether the given statement is true or false.

3(iii)2022

NumericalModerate4 marks

A metal piece of mass 420 g present at 80°C is dropped in 80 g of water present at 20°C in a calorimeter of mass 84 g. If the final temperature of the mixture is 30°C, then calculate the specific heat capacity of the metal piece. [Specific heat capacity of water = 4.2 Jg-1 °C-1, Specific heat capacity of the calorimeter = 200 Jkg-1 °C-1]

5(iii)(a)2022

DiagramModerate2 marks

From the graph of heating curve given below state the melting point and boiling point of the substance.

6(iii)

If a wire of resistance 2Ω gets stretched to thrice its original length :

6(iii)(a)2022

NumericalModerate2 marks

Calculate the new resistance of the wire.

6(iii)(b)2022

Short answerEasy2 marks

What happens to the specific resistance of the wire?

Select the correct option for each of the following questions

A boy standing in front of a wall produces two whistles per second. He notices that the sound of his whistling coincides with the echo. The echo is heard only once when whistling is stopped. Calculate the distance between the boy and the wall. (The speed of sound in air = 320 m/s)

20(ii)2021

MCQEasy1 mark

The distance at which the boy is standing from the wall: (a) 160 m (b) 240 m (c) 320 m (d) 80 m

3(d)2020

ReasoningModerate2 marks

Why does stone lying in the sun get heated up much more than water lying for the same duration of time ?

4(b)2020

Short answerEasy2 marks

Two metallic blocks P and Q having masses in ratio 2:1 are supplied with the same amount of heat. If their temperatures rise by same degree, compare their specific heat capacities.

9(a)(i)2020

DefinitionEasy1 mark

Define heat capacity of a substance.