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  • The diagram given below shows an object O and its image I. <img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAARcAAABwCAYAAAA0VTSCAAAOWklEQVR4nO2dP2/jRhqHZ/gdYuMAU8110RYB0phuzA+hUZvgujgprC0OuErurkikNLvlIcBVIoHLBzjA2map4ICkkj6AqeIi47Bprgx

The diagram given below shows an object O and its image I.


Without actually drawing the ray diagram, state the following :
(i) Type of lens (Converging / Diverging)
(ii) Name two optical instruments where such an image is obtained.
(iii) List three characteristics of the image formed if this lens is replaced by a concave mirror of focal length ‘f’ and an object is placed at a distance \frac{f}{2} in front of the mirror.

 

 

 

 
 
 
 
 

Answers (1)

(i) Type of lens is Converging Lens

(ii)Two optical instruments where such an image is obtained is Magnifying Glass, Microscope.

(iii) Three Characteristics of the image formed if this lens is replaced by a concave mirror of focal length ‘f’ and an object is placed at a distance \frac{f}{2} in front of the mirror is 

 (a) Virtual (b) Erect (c) Magnified

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Safeer PP

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