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(D) The magnifying power $(m)$ of a refracting telescope is given by the formula $m = \frac{f_o}{f_e}$,where $f_o$ is the focal length of the objectiv

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$100$

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(D) The magnifying power $(m)$ of a refracting telescope is given by the formula $m = \frac{f_o}{f_e}$,where $f_o$ is the focal length of the objective lens and $f_e$ is the focal length of the eyepiece.Given:Focal length of objective $f_o = 1 \ m = 100 \ cm$.Focal length of eyepiece $f_e = 1 \ cm$.Substituting these values into the formula:$m = \frac{100 \ cm}{1 \ cm} = 100$.Therefore,the magnifying power of the telescope is $100$.

Consider a refracting telescope whose objective has a focal length of $1 \ m$ and the eyepiece has a focal length of $1 \ cm$. The magnifying power of this telescope will be . . . . . . .

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