Physical Science Class 9>Chapter 11 - Heat>Let us improve our learning>Q 2

EASY

9th Telangana Board

IMPORTANT

Earn 100

How much energy is released or absorbed when $1 g$ of water at $0 ℃$ freezes to ice at $0 ℃$ ?

Important Questions on Heat

HARD

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IMPORTANT

Physical Science Class 9>Chapter 11 - Heat>Let us improve our learning>Q 2

How much energy released or absorbed when

1 g

of steam at

100 ℃

cools to ice at

0 ℃

?

MEDIUM

9th Telangana Board

IMPORTANT

Physical Science Class 9>Chapter 11 - Heat>Let us improve our learning>Q 3

Suppose that

1 L

of water is heated for a certain time to rise its temperature for

2 ℃

. If

2 L

of water is heated for the same time, how much of its temperature would rise?

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IMPORTANT

Physical Science Class 9>Chapter 11 - Heat>Multiple choice questions>Q 1

Which of the following is a warming process?

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9th Telangana Board

IMPORTANT

Physical Science Class 9>Chapter 11 - Heat>Multiple choice questions>Q 2

Melting is a process in which solid phase changes to

EASY

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IMPORTANT

Physical Science Class 9>Chapter 11 - Heat>Multiple choice questions>Q 3

Three bodies

A

,

B

and

C

are in thermal equilibrium. The temperature of

B

is

45 ℃

then the temperature of

C

is

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IMPORTANT

Physical Science Class 9>Chapter 11 - Heat>Multiple choice questions>Q 4

The temperature of a steel rod is $330 K$ . Then it's temperature in $℃$ is

EASY

9th Telangana Board

IMPORTANT

Physical Science Class 9>Chapter 11 - Heat>Multiple choice questions>Q 5

Specific heat

s =

EASY

9th Telangana Board

IMPORTANT

Physical Science Class 9>Chapter 11 - Heat>Multiple choice questions>Q 6

Boiling point of water at normal atmospheric pressure is