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A parallel beam of rays is incident on a...

A parallel beam of rays is incident on a convergent lens with a focal length of `40 cm.` Where a divergent lens with a focal length of `15 cm` be placed for the beam of rays to remain parallel after passing through the two lenses.

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The correct Answer is:
B, C

`I_1` is formed at second focus of `L_1` and first focus
of `L_2.`
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DC PANDEY-REFRACTION OF LIGHT-Level 1 Subjective
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  6. A converging beam of rays in incident on a diverging lens. Having pass...

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  7. A parallel beam of rays is incident on a convergent lens with a focal ...

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  8. An optical system consists of two convergent lenses with focal length ...

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  10. A parallel beam of rays is incident on a consisting pf three thin lens...

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  13. Light is incident from glass (mug=3/2) to water (muw=4/3). Find the ra...

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  19. An achromatic convergent lens of focal length 150 cm is made by combin...

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