# Solution - Reflection of Light - Image Formation by Spherical Mirrors - Concave Mirror

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ConceptReflection of Light - Image Formation by Spherical Mirrors - Concave Mirror

#### Question

A spherical mirror produces an image of magnification −1 on a screen placed at a distance of 40 cm from the mirror:

(i) Write the type of mirror.

(ii) What is the nature of the image formed?

(iii) How far is the object located from the mirror?

(iv) Draw the ray diagram to show the image formation in this case.

#### Solution

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A student wants to project the image of a candle flame on the walls of the school laboratory by using a mirror.

(a) Which type of mirror should he use and why?

(b) At what distance, in terms of focal length 'f' of the mirror, should he place the candle flame to get the magnified image on the wall?

(c) Draw a ray diagram to show the formation of the image in this case.

(d) Can he use this mirror to project a diminished image of the candle flame on the same wall? State 'how' if your answer is 'yes' and 'why not' if your answer is 'no.'

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(d) Erect and highly diminished

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A spherical mirror produces an image of magnification -1.0 on a screen placed at a distance of 30 cm from the pole of the mirror.

(i) Write the type of mirror in this case.

(ii) What is the focal length of the mirror ?

(iii) What is the nature of the image formed ?

(iv) Draw the ray diagram to show the image formation in this case.

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Solution for concept: Reflection of Light - Image Formation by Spherical Mirrors - Concave Mirror. For the course 8th-10th CBSE
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