📅 NSB Round Robin 2018🎓 HS🔄 Round 1#️⃣ Question 22🌟 Bonus✍️ Short Answer
A 4.5-centimeter tall object is placed 15 centimeters from a double convex lens with a 9-centimeter focal length. In centimeters, what is the image distance?
✔️Answer:22.5
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