MEDIUM
7th CBSE
IMPORTANT
Earn 100

Give the difference between: Laboratory thermometer and clinical thermometer

Important Questions on Heat

MEDIUM
7th CBSE
IMPORTANT

How does the constriction near the bulb in a clinical thermometer help in measuring body temperature accurately?

MEDIUM
7th CBSE
IMPORTANT
Draw a labelled diagram of a mercury thermometer. How does it function? What is its use?
MEDIUM
7th CBSE
IMPORTANT

Describe an experiment to show the formation of convection currents in a liquid.

HARD
7th CBSE
IMPORTANT

  Why do we use mercury as a liquid in thermometers?

HARD
7th CBSE
IMPORTANT
What are the differences between convection and radiation?
HARD
7th CBSE
IMPORTANT
Explain with the help of diagram how land and sea breezes occur.
MEDIUM
7th CBSE
IMPORTANT

State two applications of radiation.

MEDIUM
7th CBSE
IMPORTANT
Give reason: The radiators of cars are painted black.