Optics Question 435

Question: Which of the following is not correct regarding the radio telescope

[BHU 2004]

Options:

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

Show Answer

Answer:

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.



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