Published by:
CGP EDU Academic Team
Published on: August 14, 2026
Some distance star is to be observed by some telescope of diameter of objective lens a , at an angular resolution of
radian. If the wavelength of light from the star reaching the telescope is 500 nm , the minimum diameter of the objective lens of the telescope is
cm. (Nearest integer)
Text Solution
Verified by ExpertsThe correct answer is:
203
(203)

──────────────────────────────────────────────────────────────────────────────────────────
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems
A new unit ( ) of length is chosen such that it is equal to the speed of light in vacuum. What is …
Consider the equation
Where magnetic field; electric field; permittivity, distance, time. The…
A car moving with a speed of takes a turn of radius 20 m . A simple pendulum is suspended from the…
A gas balloon is going up with a constant velocity of . When this balloon reached a height of 75 m…
A thin biconvex lens is prepared from the glass ( ) both curved surfaces of which have equal radii…
Two identical bodies projected with the same speed at two different angles cover the same horizonta…