Choose the correct options for the following questions.
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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