EASY
7th ICSE
IMPORTANT
Earn 100

Explain the working and uses of thermos flask.

Important Questions on Transfer of Heat

EASY
7th ICSE
IMPORTANT
Innovative Physics>Chapter 6 - Transfer of Heat>EVALUATE YOUR UNDERSTANDING>Q IV
Explain the process of convection in liquids.
EASY
7th ICSE
IMPORTANT
Innovative Physics>Chapter 6 - Transfer of Heat>EVALUATE YOUR UNDERSTANDING>Q V

Differentiate between the following:

Conduction of heat and convection of heat

EASY
7th ICSE
IMPORTANT
Innovative Physics>Chapter 6 - Transfer of Heat>EVALUATE YOUR UNDERSTANDING>Q V

Differentiate between the following:

Conduction of heat and radiation of heat

EASY
7th ICSE
IMPORTANT
Innovative Physics>Chapter 6 - Transfer of Heat>EVALUATE YOUR UNDERSTANDING>Q 1
On an extremely cold day, it is easier to walk on a mat than on a marble floor. Similar is the case during summers also. Why is it so?
EASY
7th ICSE
IMPORTANT
Innovative Physics>Chapter 6 - Transfer of Heat>EVALUATE YOUR UNDERSTANDING>Q 2
Is air a conductor or an insulator of heat? Justify your answer giving suitable reason.
EASY
7th ICSE
IMPORTANT
Innovative Physics>Chapter 6 - Transfer of Heat>EVALUATE YOUR UNDERSTANDING>Q 1
Rohit pours some hot coffee into a thermos flask. The diagram of the thermos flask is given alongside. It has a double-wall structure surrounding it and helps in keeping the coffee hot for a longer time. Explain how the double-wall structure helps Rohit in keeping his coffee hot for a longer time.

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