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Q.

An object is placed at a distance of $10cm$ from a convex mirror of focal length 15cm. Find the position and nature of the image.


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a

10cm

b

8cm

c

6cm

d

5cm 

answer is C.

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Detailed Solution

Concept: The mirror’s formula used     1f=1v+1u
 According to the given question u=10cm and f =15cm
1f=1v+1u
115=1v+110
1v=16
V=6 cm.
Hence, the correct option is 3.
 
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