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Principle of Reversibility of Light

The principle...

Question

The principle of reversibility of light will follow exactly the ........ path if its direction of travel is reversed

A

Same

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B

Different

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C

Both

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D

None

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Solution

The correct option is A Same
When the final path of a ray of light after any number of reflections and refractions is reversed the ray of light retraces back its entire path. This is reversibility of light.

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Q. The _____________ states that light will follow exactly the same path if its direction of travel is reversed. Fill the appropriate answer.

Q. Assertion :The principle of reversibility presupposes that the attenuation of a light ray during its passage through an optical medium because of reflection, refraction, and absorption is not affected by a reversal of the direction of the ray. Reason: Principle of reversibility can only be applied to lens system.

Q. Which of the following is known as principle of reversibility of light?

Q. In its simplest interpretation the principle of reversibility is a corollary of __________ of the refraction of light.

Q. Draw a ray diagram to show the path of the reflected ray in each of the following cases. A ray of light incident on a convex mirror
(a)strikes at its pole making an angle from the principle axis
(b)is directed towards its principle focus.
(c) is parallel to its principle axis.

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Principle of Reversibility of Light

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