Concept explainers
The magnifying power of the astronomical telescope with a reflecting mirror and an eye piece.
Answer to Problem 34P
Solution:
The magnification of the astronomical telescope is found to be .
Explanation of Solution
Reflecting telescopes make use of concave mirrors as objective. Reflecting mirrors have advantage of reduced chromatic aberration when compared to refracting telescopes.
Given:
The radius of curvature of the reflecting mirror
The focal length of the eyepiece
Formula used:
Here, the focal length of the objective is , the focal length of the eye piece is and the magnification of the telescope is M.
Calculation:
Calculate the value of the focal length of the mirror using the value of the radius of curvature.
Use the calculate value of and the given value of in the expression for magnification.
Chapter 25 Solutions
Physics: Principles with Applications
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