Physics, asked by Bharti9046, 1 year ago

A concave mirror has focal length 20cm at what distance from the mirror should a 4cm object be placed so that it forms

Answers

Answered by aabb123
1
1/v+1/u=1/f
1/v=1/f-1/u
1/v=1/20-(1/4)
1/v=1/20-1/4
1/v=1-5/20
1/v=-4/20
1/v=-1/5
v=-5cm

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Answered by Needhelp0505
0

Answer:

Don't know

Explanation:

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