Optical Instrumen… | NUST Entrance Test Physics

Formula of simple magnification is

Difficulty: Easy

A:

\frac{q}{p}

B:

\frac{p}{q}

C:

\frac{2p}{q}

D:

All of these

Formula of magnification of astronomical telescope is

Difficulty: Easy

A:

\rm{\frac{f_{e}}{f_{o}}}

B:

\rm{\frac{d}{f_{e}} +1}

C:

\rm{\frac{f_{o}}{f_{e}}}

D:

\rm{\frac{d}{f_{o}} +1}

If $f_{o}$ is 25 cm and $f_{e}$ is 5 cm, magnification of Galilean telescope will be

Difficulty: Easy

A:

5

B:

6

C:

7

D:

8

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