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Plane Mirror

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Question

Give reasons for the following:
Mirror is used to study the laws of reflection of light.

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Solution

Any opaque, shiny and polished surface acts like a plane mirror and reflects most of the light that falls on it.
Hence, plane mirror is used to study the laws of reflection.

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Similar questions

Q. Study the following incident.
Swara and Yash were looking in a water filled vessel. They could see their images clearly in the still water. At that instant, Yash threw a stone in the water. Now their images were blurred. Swara could not understand the reason for the blurring of the images.

Explain the reason for blurring of the images to swara by answering the following questions.

i. Is there a relation between the reflection of light and the blurring of the images.?

ii. Which types of reflection of light can you notice from this?

iii. Are laws of reflection followed in these types of reflection?

Q. Give reasons for the following:

(a) We cannot see a source of light through a bent tube.
(b) Convex mirrors are used in a car wing mirrors.
(c) A concave mirror is used as a dentist's mirror.

(a) Draw a diagram to show the reflection of light from a plane mirror.Label the following on the diagram:

(a) Plane mirror (b) Incident ray (c) Reflected ray

(d) Point of incidence (e) Normal (f) Angle of incidence

(g) Angle of reflection

(b) State the laws of reflection of light.

____ is used to study the reflection of light.

Q. the laws of reflection are not obeyed when a ray of light is incident along the normal. Give reasons

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