6. What is a spherical mirror ? Distinguish between a concave mirror and a convex mirror.
Answers
Answer:
Spherical mirror: a mirror with a surface that is either concave or convex and forms a portion of a true sphere.
Concave mirrors are in a shape of a cave, they are curved in words.
Convex mirrors are bulging out words. It makes things smaller.
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SPHERICAL MIRRORS
❤. The mirrors which have curved surface are known as spherical mirrors
❤. They can be thought of as being made from a portion cut off from hollow glass sphere
CONCAVE MIRROR
❤. In a sperical mirror , if the bulged surface is silvered and the inner ( lower ) surface is made smooth for reflection then the mirror is concave
❤. The reflecting surface of concave mirror is curved inward
❤. The rays after reflection seems to converge at a point
❤. concave mirror generally produces real and inverted image
❤. The image may enlarged ,same size or diminished
❤. It is used in car headlight
CONVEX MIRROR
❤. In a spherical mirror if the bulged surface is made smooth for reflection and the inner ( lower) surface is sipvered ,then the mirror is known as convex mirror
❤. The reflecting surface of convex mirror is bulged out
❤. The rays after refletion seems to diverge from a point
❤. It always produces virtual and erect image
❤. It always produces diminished image
❤. It is used as rear _ view mirror
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