Optics Question 433
The resolving power of an astronomical telescope is 0.2 seconds of arc. If the central half portion of the objective lens is covered, the resolving power will be
[MP PMT 2004]
Options:
A) 0.1 s
B) 0.2 sec
C) 1.0 s
D) 0.6 sec
Show Answer
Answer:
Correct Answer: A
Solution:
Resolving power $ =\frac{1.22\lambda}{a} $
BETA
