The resolving power of an astronomical telescope is 0.2 seconds. If th – McqOptions

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1.	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]
A.	0.1 sec
B.	0.2 sec
C.	1.0 sec
D.	0.6 sec
Answer» B. 0.2 sec

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