Differentiate between concave & convex mirror. …

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Differentiate between concave & convex mirror. Why they are called as convergent and divergent mirror? Explain.(5 marks).

Posted by Paru ? 5 years, 2 months ago

CBSE > Class 10 > Science

4 answers

Paru ? 5 years, 2 months ago

Thank you soo much ✌??

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Gaurav Seth 5 years, 2 months ago

they are called as convergent and divergent mirror:

When parallel light rays fall on the surface of convex mirror then after reflection those rays seem to meet (diverge) at a single point but actually they do not meet. So, it is called diverging mirror.

When parallel light rays fall on the surface of a concave mirror, all the rays after reflection converge(meet) at a single point(focus). Hence, a concave mirror is also called a converging mirror.

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Gaurav Seth 5 years, 2 months ago

All the light rays reflected by concave mirror converges at its focus. Hence, concave mirror is also known as converging mirror.

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Gaurav Seth 5 years, 2 months ago

Concave mirror	Convex mirror
A spherical mirror whose reflecting surface is curved inwards is called a concave mirror.	A spherical mirror whose reflecting surface is curved outwards is called a convex mirror.

A parallel beam of light falling on this mirror converges at a point after reflection.	A parallel beam of light falling on this mirror appears to diverge from a point after reflection.
It is also called a converging mirror.	It is also called a diverging mirror.
It has a real focus.	It has a virtual focus.
The magnification of a concave mirror can be greater, equal or less than 1.	The magnification of a convex mirror is always less than 1.
These mirrors are used as reflectors in projectors, light-house headlights, searchlights, etc.	These mirrors are used as rear-view mirrors in cars and motorcycles, as they enable the driver/rider to view the road and vehicles behind.

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