Question

problem set #7 begin date: 10/24/2025 12:01:00 am due date: 10/31/2025 11:59:00 pm end date: 11/2/2025 11:59:00 pm
problem 4
i want to examine the surface of a planet which is completely covered by a thick layer of clouds all the time. what wavelength of electromagnetic radiation would be best to use?
none would work
visible light
any of these would work
radio waves (like radar)
x - rays
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Explanation:

Visible light is blocked by clouds. X - rays are not suitable for planetary surface examination (they are more for internal structure in some medical/atomic contexts). Radio waves (like radar) can penetrate clouds. So radio waves are the best choice.

Answer:

Radio waves (like radar)