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  • (a) A concave mirror of focal length  can produce a magnified real as well as virtual image of an object placed in front of it. Draw ray diagrams to jus

(a) A concave mirror of focal length 10\; cm can produce a magnified real as well as virtual image of an object placed in front of it. Draw ray diagrams to justify this statement.

(b) An object is placed perpendicular to the principal axis of a convex mirror of focal length 10\; cm. The distance of the object from the pole of the mirror is 10\; cm. Find the position of the image formed.

 

 

 

 
 
 
 
 

Answers (1)

(a) Ray diagrams, 

(i) For Real and magnified image, 

(ii) For Virtual and magnified

 

(b) The position of the image formed is, 

Given, f = 10 cm ; u = - 10 cm

1/ v + 1/ u = 1/ f

1/ v = 1/ f − 1/ u

1/ v = 1/ 10 + 1/ 10

1/ v = 1/ 5

∴ v = 5cm

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Safeer PP

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