Name two spherical mirrors. Define them. write any three points of difference between them.
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Answer:
concave mirror is known as a converging mirror. the focus lies behind the mirror. convex mirror is known as a diverging mirror.
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The two spherical mirrors are :
- Concave mirror
- Convex mirror
(i)Concave: -
A spherical mirror, whose reflecting surface is curved inwards, that is , faces towards the centre of the sphere , is called Concave mirror.
(ii) Convex :-
A Spherical mirror whose reflecting surface us curved outwards , is called Convex mirror.
Points of difference:-
- The reflecting surface of the Concave mirror is bulged inwards. But the reflecting surface of the Convex mirror is bulged outwards.
- Concave mirror produces real and invented images ( except when the object is placed between pole and focus. when the object is placed between F and P , Concave mirror produces virtual and erect image). But the convex mirror always produces virtual and erect images.
- The image formed by the Concave mirror may be enlarged or diminished, according to the position of the object. The image formed by the Convex mirror will be always diminished.
● Hope it helps you
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