A lens produces an upright virtual image between the lens and the focal length of the lens, on the same side of the lens as where the object is located, when the object is outside the focal length of the lens. The focal length of the lens is 15cm and the image is 0.3 times the size of the object. a) Determine the type of lens. b) Determine the distance of the object from the lens. c) Determine the distance of the image from the lens

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Applications Of Reflection Of Light

When a light ray (termed as the incident ray) hits a surface and bounces back (forms a reflected ray), the process of reflection of light has taken place.

Sign Convention for Mirrors

A mirror is made of glass that is coated with a metal amalgam on one side due to which the light ray incident on the surface undergoes reflection and not refraction.