#### Question

The resolving power of a telescope depends upon the...............

(a) length of the telescope

(b) focal length of an objective

(c) diameter of an objective

(d) focal length of an eyepiece

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#### Solution

(c) diameter of an objective

R.P of telescope = `1/(d theta)=a/(1.22lambda)`

Thus, it is clear that a telescope with a large diameter of the objective has higher resolving power. Thus, the resolving power of a telescope depends on the diameter of an objective.

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Solution for question: The Resolving Power of a Telescope Depends Upon the concept: Resolving Power of a Microscope and Telescope. For the courses HSC Science (Electronics), HSC Science (Computer Science), HSC Science (General)