Question

Solve all 4 questions for 50 points. spammers and incomplete answers will be reported​

Answer 1

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1

a) Mirror

Convex mirrors are used as side view mirrors in a car to see the traffic behind. This is because of the following reasons: The image formed in a convex mirror is highly diminished due to which a convex mirror gives a wide field of view of the traffic behind the vehicle.

b) Focal Length

The distance between the centre of a lens or curved mirror and its focus.

2

a) Lens

A lens is a transparent device with two curved surfaces, usually made of glass or plastic, that uses refraction to form an image of an object. Mirrors, which have curved surfaces designed to reflect rays, also form images.

b) Equal

Two objects are equidistant from a point if the distance between each object and that point are the same. Equidistant comes from the Late Latin aequidistantem, "equal distances,"

Answer 2

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