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Q. 19

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Physics for Scientists and Engineers: A Strategic Approach with Modern Physics
Found in: Page 1017

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Short Answer

A reflecting telescope is built with a -diameter mirror having an m focal length. It is used with an eyepiece.

What are:

(a) the magnification?

(b) the of the telescope?

(a). The magnification is .

(b). The of the telescope is.

See the step by step solution

Step by Step Solution

Part (a) Step 1: Given Information.

We need to find the magnification.

Part (a) Step 2: Simply.

Therefore,

Here magnification of the eye, is the magnification of a telescope,focal length of the eye.

Part (b) Step 1: Given Information.

We need find the f - number of telescope.

Part (b) Step 2: Simply.

Here is focal length is the diameter.

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