Science (Theory & Practical) Class-10>Chapter 3 - Heat and Temperature>Exercise>Q 7

MEDIUM

10th Chhattisgarh Board

IMPORTANT

Earn 100

Write three uses of specific heat of water in daily life.

Important Questions on Heat and Temperature

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10th Chhattisgarh Board

IMPORTANT

Science (Theory & Practical) Class-10>Chapter 3 - Heat and Temperature>Exercise>Q 8

Determine the final temperature if we mix

1 kg

of water which is at

40 ° C

with

1 kg

of water which is at

60 ° C

.

MEDIUM

10th Chhattisgarh Board

IMPORTANT

Science (Theory & Practical) Class-10>Chapter 3 - Heat and Temperature>Exercise>Q 9

Mass of an aluminium object is

500 g

, how much amount of heat (in joules) needs to be supplied in order to increase its temperature by

40 ° C

? Specific heat of aluminium is

0.09 J {kg}^{- 1} ° C^{- 1}

.

MEDIUM

10th Chhattisgarh Board

IMPORTANT

Science (Theory & Practical) Class-10>Chapter 3 - Heat and Temperature>Exercise>Q 10

Length of an aluminium wire is

100 cm

. What will be the increase in its length when its temperature is raised to

50 ° C

from

30 ° C

? Coefficient of linear expansion for aluminium is

26 \times 10^{- 6} / ° C

.

EASY

10th Chhattisgarh Board

IMPORTANT

Science (Theory & Practical) Class-10>Chapter 3 - Heat and Temperature>Exercise>Q 11

Define specific heat capacity.

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10th Chhattisgarh Board

IMPORTANT

Science (Theory & Practical) Class-10>Chapter 3 - Heat and Temperature>Exercise>Q 12

What are the types of heat transfer? Write about them.

EASY

10th Chhattisgarh Board

IMPORTANT

Science (Theory & Practical) Class-10>Chapter 3 - Heat and Temperature>Exercise>Q 13

Give few examples of effects of heat seen in our daily life.