Which of the following is the first law of refraction of light?

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The Incident ray, the Reflected ray, and the normal all lie in the same plane.

The angle of the incidence ray and the angle of the reflected ray is equal to each other.

Both 1&2

None of the above

answer is A.

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Detailed Solution

The first option represents the first law of reflection.
There are three laws of reflection.
●       “The incident ray, the normal and the reflected ray all lie in the same plane.”
●       “The angle between the incident ray and the normal is numerically equal to the angle between the reflected ray and the normal.”
●       “Incident ray and refracted ray are on different sides of the normal.”

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