Science, asked by kharnoor750, 3 months ago

tell me the answer I will make you brainlist

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Answers

Answered by himanshigehlot

1

Answer:

f = 0.15 and hi=5

Explanation:

1/v-1/u=1/f

1/20-1/-10=1/f

f=0.15

m=hi/ho=v/u

hi/2.5=20/-10

hi/2.5=-2

hi=5

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