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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 wil

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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
A. `0.1 sec`
B. `0.2 sec`
C. `1.0 sec`
D. `0.6 sec`
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Correct Answer - a
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