The magnifying power of a telescope is 9 When it is adjusted for parallel rays the distance between the objective and eyepiece is 20 cm The focal length of lenses are (a) 10 cm, 10 cm (c) 18 cm, 2 cm (b) 15 cm, 5 cm (d) 11 cm, 9 cm The magnifying power of a telescope is 9 When it is adjusted for p...

The magnifying power of a telescope is 9. When it is adjusted for parallel rays the...

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Fundamentals of Ethics for Scientists and Engineers

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