Or bhai Kya chal raha ha kya Ok mtlb ye hua ki convex lens converging lens hota hai , jisse ray 2 2f2 ki taraf bend ho gyi hai
hi
9ヶ月前
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Or bhai Kya chal raha ha kya Ok mtlb ye hua ki convex lens converging lens hota hai , jisse ray 2 2f2 ki taraf bend ho gyi hai