SATHEE: Optics Question 673

Optics Question 673

Question: An achromatic combination of lenses produces

[KCET 1993; JIPMER 1997]

Options:

A) Coloured images

B) Highly enlarged image

C) Images in black and white

D) Images unaffected by variation of refractive index with wavelength

Show Answer

Answer:

Correct Answer: D

Solution:

Since $ f\propto \frac{1}{\mu }\propto \lambda , $ so voilet colour is focused nearer to the lens.

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Optics Question 673

Question: An achromatic combination of lenses produces

Options:

Answer:

Solution:

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