Q. Which of the following is not correct regarding the ratio telescope
A) It can not 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
Explanation
(a) 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 reflection. So it can be used at night and even in cloudy weather
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.