Physics jamb 2016

What is the angular magnification of a telescope having objective and eyepiece lenses of a focal lengths 30cm and 3cm respectively?

a

60

b

10

c

30

d

90

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Explanation

Correct Option
b

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Discussions (7)

Rofako
1 year ago

how is magnification F/u
i thought it was V/U

M=M1 × M2
30 X 3 =90

Elbrain
9 years ago

Where y = 30 and where x = 3.

then 10/3 = 10M.

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