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Answer the following : (a) Name the em...

Answer the following :
(a) Name the em waves which are suitable for radar system used in aircraft navigation. Write the range of frequencey of these waves.
(b) If the earth did not have atmosphere, would its average surface temperature be higher or lower than what it is now? Explain

A

Infra-red waves

B

Radio waves

C

Microwaves

D

Visible light

Text Solution

Verified by Experts

The correct Answer is:
C
Microwaves are used in radar system for aircraft navigation.
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