A) It cannot work at night
B) It can detect a very faint radio signal
C) It can be operated even in cloudy weather
D) It is much cheaper than optical telescope
Correct Answer: A
Solution :
Radio, waves can pass through dust, clouds, fog, etc, in a radio, telescope. It can detect very faint radio signal due to enormous size of its reflector. So it can be used at night and even in cloudy weather.You need to login to perform this action.
You will be redirected in
3 sec