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