Physics, asked by neetukaliramna48, 3 months ago

an object is placed in front of convex mirror at a distance 20cm and image is formed behind the mirror. find the focal length of mirror

Answers

Answered by amrita

2

6.3cm

Explanation:

u=20cm ,v=10cm

1/f=1/v+1/u

1/f=1/10+1/20

1/f=2+1/20

1/f=3/20

f=20/3

f= 6.3cm

Answered by kekw2

1

question is wrong, and what the other person had done is incorrect. How can he know the object's distance?

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