Laws of Reflection

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Laws of Reflection: Overview

This topic covers concepts, such as, Light, Reflection, Normal to the Plane Mirror & Ray of Light etc.

Important Questions on Laws of Reflection

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What is the law of reflection?

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What is the best explanation for why grass is green?

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Which objects emit their own light?

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Observe the adjacent figure. AB and BC are two plane mirrors arranged at 120°. A ray incident at angle 55° at AB. Find the value of 'x'.

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The angle of reflection is equal to angle of incidence when the light ray gets reflected from a smooth surface.

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_____ is the phenomenon in which the right side appears to be left and left appears to be right in an image formed on the mirror.

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Name the phenomenon in which the right side appears to be left and left appears to be right in an image formed on the mirror.

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Give the name given to the phenomenon where the right side of an object appears to be the left side of the image in a plane mirror.

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Light changes its _____ (direction/ speed/ frequency) when it is obstructed by any object, and it is called reflection.

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The incident ray, normal and reflected ray all lie in different planes.

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The incident ray, normal and reflected ray all lie in the same _____.

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If an incident ray makes an angle of 40 degree with a plane mirror, then the angle of reflection will be _____ degree.

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If the angle of incidence is _____ the incident ray strikes the surface normally.

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The angle between the reflected ray and the _____ is called the angle of reflection.

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At the point of incidence, incident and reflected rays make _____ angle with the reflecting plane surface.

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The ray that comes back from the surface after reflection is known as the _____ ray.

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Define ray of light.

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State the two laws of reflection.

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Define incident ray and reflected ray.

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A non-luminous object can only be seen if the light