Science, asked by saaranshankolekar98, 9 months ago

Object distance is 60 cm and image distance is 20 cm find the focal length

Answers

Answered by anish5630

1

Answer:

f=-80 or 40

Explanation:

it depends on mirror type

Answered by arunselvam220505

0

Answer:

30

Explanation:

1÷f=1÷v-1÷u 1÷f=1÷20-1÷30=30

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