Question

what are the four rules to draw a ray diagram for a convex mirror

Answer 1

Question-

What are the four rules to draw a ray diagram for a convex mirror?

Answer-

Four rules to draw a ray diagram for a convex mirror are-

• A ray of light parallel to the principal axis of a convex mirror appear diverge from focus point.

• A ray is directed towards the focus of the convex mirror will parallel to principal axis.

• A ray is directed towards the centre of curvature reflect back on the same path.

• A ray incident to pole reflected with same angle.

$\huge☞$ Refer to the attachment for the diagrams.

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Additional Information-

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What are spherical mirrors?

• Mirrors whose reflecting surface are curved inward or outward spherically are called sphericals mirror.

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Types of spherical mirrors -

• Concave mirror

• Convex mirror

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Concave mirror

• If the reflection takes place from the inner surface of a spherical mirror,then the mirror is concave mirror.

• It is used in torches,search lights, vehicle headlights.

• Used as a shaving mirror.

• Used as dentist mirror.

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Convex mirror

• If the outer surface of the spherical mirror acts as a reflector then the mirror is convex mirror.

• Used for securing purposes.

• Used in rear-view mirror in vehicles.

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