Question

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Answer 1

heya!!

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your answer is option (3)

→ we have mirror formula as

1/f = 1/v. + 1/u

on differentiating both sides we get

-df/f^2. = -dv/v^2. - du/u^2

in terms of % error it is written as,

df/f × 100. = f(dv/v^2. + du/u^2)

hope it helps!!

#PhoeniX

Answer 2

Answer:

Mirror formula (video) | Khan Academy Let's explore the mirror formula (1/f = 1/v+1/u) and see how to locate images without drawing any ray diagrams.