Q. The resolving power of a telescope is increased by

दूरबीन की विभेदन क्षमता बढ़ जाती है

A
Decreasing aperture
घटता एपर्चर
B
Increasing aperture
बढ़ता हुआ एपर्चर
C
Increasing eyepiece power
नेत्रिका शक्ति में वृद्धि
D
Decreasing focal length
फोकल लंबाई कम होना

Explanation

Resolving power refers to a telescope’s ability to distinguish between two closely spaced objects. A larger aperture (diameter of the objective lens or mirror) allows the telescope to gather more light and resolve finer details:

Resolving power∝1Aperture\text{Resolving power} \propto \frac{1}{\text{Aperture}}

So, increasing the aperture increases resolving power.

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