> Q. A giant refracting telescope at an observatory has an objective lens of focal length $15, m$. If an eye piece of focal length $.0 ,cm$ is used, what is the angular magnification of the telescope? – LIVE ANSWER TODAY

Q. A giant refracting telescope at an observatory has an objective lens of focal length $15, m$. If an eye piece of focal length $.0 ,cm$ is used, what is the angular magnification of the telescope?

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A giant refracting telescope at an observatory has an objective lens of focal length $15, m$. If an eye piece of focal length $.0 ,cm$ is used, what is the angular magnification of the telescope?

Solution:

Here, $f_0 = 15 m, = 15 times 10^2 ,cm$,

$f_e = 1.0 ,cm$

$therefore$ magnification, $m = frac{f_0}{f_e}$

$ = frac{15times 10^2}{1} = 1500$

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