Question

The formula of focal length used in case of the lens fitted in telescope is given as _____

a.

1/f = 1u – 1/v

b.

1/f = 1u / 1/v

c.

1/f = 1u + 1/v

d.

1/f = 1u * 1/v

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Answer: (c).1/f = 1u + 1/v

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Q. The formula of focal length used in case of the lens fitted in telescope is given as _____
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