SATHEE: Optics Question 609

Optics Question 609

Question: An achromatic combination of lenses is formed by joining

[BHU 1995; Pb. PMT 2000, 04]

Options:

A) 2 convex lenses

B) 2 concave lenses

C) 1 convex lens and 1 concave lens

D) Convex lens and plane mirror

Show Answer

Answer:

Correct Answer: C

Solution:

For an achromatic combination $\frac{ω_{1}}{f_{1}} + \frac{ω_{2}}{f_{2}} = 0$ i.e. 1 convex lens and 1 concave lens.

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Optics Question 609

Question: An achromatic combination of lenses is formed by joining

Options:

Answer:

Solution:

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