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what is the speed of the image if the optical point is changed from 25/3 to 50/7 given time is 25 s and R is 20

what is the speed of the image if the optical point is changed from 25/3 to 50/7  given time is 25 s and R is 20

Grade:12th pass

1 Answers

ARYAN GAIKWAD
100 Points
6 months ago
Bc meko iska answer nahi malum meko bas points jame karne hai 100 ka redeem marna hai isliyenfndndndnndndndndbdhdhhdhdhdhdhdjdjdjdjdjdjdjjdjdjdjdjdjjddjjdj
 

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