Environmental Sciences, asked by annunavneetsinghal, 1 month ago

define cocave mirror explanation in brief
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Answers

Answered by princess1702
5

Answer:

Concave Mirror

If a hollow sphere is cut into parts and the outer surface of the cut part is painted, then it becomes a mirror with its inner surface as the reflecting surface. This type of mirror is known as a concave mirror.

Characteristics of Concave Mirrors

Light converges at a point when it strikes and reflects back from the reflecting surface of the concave mirror. Hence, it is also known as a converging mirror.

When the concave mirror is placed very close to the object, a magnified and virtual image is obtained.

However, if we increase the distance between the object and the mirror then the size of the image reduces and a real image is formed.

The image formed by the concave mirror can be small or large or can be real or virtual.

Answered by gamersbeasty
2

a toy consisting of a tube containing mirrors and pieces of coloured glass or paper, whose reflections produce changing patterns when the tube is rotated is known as kaleidoscope

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