EASY
7th CBSE
IMPORTANT
Earn 100

The convection currents in air transfer heat:

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Important Questions on Heat

EASY
7th CBSE
IMPORTANT
Which of the following conditions lead to the blowing of sea-breeze in coastal areas?
A. Land cool and sea warm  B. Land hot and sea cool  C. Day time   D. Night time   

EASY
7th CBSE
IMPORTANT
The hot objects which can transfer heat by radiation are:
EASY
7th CBSE
IMPORTANT
The invisible rays which transfer heat by radiation are called _____.
EASY
7th CBSE
IMPORTANT
The heat from the sun reaches us on the earth by the process of:
EASY
7th CBSE
IMPORTANT
The process which can transfer heat through the vacuum as well as air is.
EASY
7th CBSE
IMPORTANT
The bulb of thermometer A is coated with lampblack and the bulb of thermometer B is coated with silver. Both the thermometers are placed in the sunshine for equal time:
Which thermometer will show a higher rise in temperature?
EASY
7th CBSE
IMPORTANT

The bulb of thermometer A is coated with lampblack and the bulb of thermometer B is coated with silver. Both the thermometers are placed in the sunshine for equal time:

What conclusion is obtained from the above observation?

MEDIUM
7th CBSE
IMPORTANT
One end of the objects such as a steel spoon, a plastic scale, a pencil and a divider is put in a beaker of hot water. In which of these objects the other end will get hot?