Physics, asked by jahnavi7978, 9 months ago

Question for class 10 students .

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Answered by OyeeKanak

30

Answer:

1/v+1/u=1/f

1/v+1/-20=1/20

v=10 cm

hope it helps you

Answered by mousam8673

2

Answer:

Answer is 20 cm........

sister ମୋତେ ଜାଣି ପାରିଲ କି ନାଇଁ ।।।

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