S CHAND'S ICSE PHYSICS BOOK 2>Chapter 11 - Calorimetry>QUESTIONS>Q 23

MEDIUM

10th ICSE

IMPORTANT

Earn 100

$20 g$ of kerosene oil at $40 ° C$ is mixed with $100 g$ of water at $10 ° C$ . What is the temperature of the mixture? Specific heat of kerosene $= 0.5 \frac{cal}{g ° C}$ .

Important Questions on Calorimetry

HARD

10th ICSE

IMPORTANT

S CHAND'S ICSE PHYSICS BOOK 2>Chapter 11 - Calorimetry>QUESTIONS>Q 24

A small piece of iron of mass

250 g

is heated to temperature

90 ° C

and then put in a calorimeter of mass

400 g

containing

150 g

of water at

20 ° C

. What is the final temperature of mixture? Specific heat of iron

= 0.12 \frac{cal}{g ° C}

and of Calorimeter

= 0.1 \frac{cal}{g ° C}

.

HARD

10th ICSE

IMPORTANT

S CHAND'S ICSE PHYSICS BOOK 2>Chapter 11 - Calorimetry>QUESTIONS>Q 25

A solid of mass

300 g

is heated to a temperature

140 ° C

and then put in a calorimeter containing

200 g

of kerosene oil at

10 ° C

. If the mass of the calorimeter is

450 g

what is the final temperature of the mixture? Specific heat of solid

= 0.12 \frac{cal}{g ° C}

. Specific heat of kerosene oil

= 0.50 \frac{cal}{g ° C}

.

MEDIUM

10th ICSE

IMPORTANT

S CHAND'S ICSE PHYSICS BOOK 2>Chapter 11 - Calorimetry>QUESTIONS>Q 26

A calorimeter of heat capacity

40 \frac{cal}{° C}

contains

200 g

of water at

20 ° C

. A piece of metal of mass

400 g

is heated up to

250 ° C

and put in the calorimeter. The temperature of mixture is obtained

75 ° C

. What is specific heat of metal?

EASY

10th ICSE

IMPORTANT

S CHAND'S ICSE PHYSICS BOOK 2>Chapter 11 - Calorimetry>QUESTIONS>Q 27

A calorimeter of heat capacity

170 \frac{joule}{g ° C}

contains

250 g

of liquid at

40 ° C

. A piece of metal of mass

300 g

is heated up to

200 ° C

and put in the calorimeter. The final temperature of mixture is obtained

70 ° C

. If specific heat of metal is

0.42 \frac{joul}{g ° C}

, calculate the specific heat of the liquid.

EASY

10th ICSE

IMPORTANT

S CHAND'S ICSE PHYSICS BOOK 2>Chapter 11 - Calorimetry>QUESTIONS>Q 28

The figure given below shows a geographical phenomenon. Name this phenomenon and explain it in brief.

Question Image

EASY

10th ICSE

IMPORTANT

S CHAND'S ICSE PHYSICS BOOK 2>Chapter 11 - Calorimetry>QUESTIONS>Q 1

Name the three states of matter.

EASY

10th ICSE

IMPORTANT

S CHAND'S ICSE PHYSICS BOOK 2>Chapter 11 - Calorimetry>QUESTIONS>Q 2

What do you mean by change of phase of matter?

EASY

10th ICSE

IMPORTANT

S CHAND'S ICSE PHYSICS BOOK 2>Chapter 11 - Calorimetry>QUESTIONS>Q 3

Name the process in which vapour on cooling comes to liquid state.