#LetsPrepareATC 🏆 Prepare AAI - ATC Exam (2023) with ATC Gurus Mr. Paras Soni & Dr. Abhijit Sen
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Practice Question
Find the focal length of a convex lens of focal length 50 cm in contact with a concave lens of focal length 40 cm? Also find the correct lens system?

Select one correct option:

300 cm, converging lens Correct 💪 In-correct 🧐
200 cm, diverging lens Correct 💪 In-correct 🧐
200 cm, converging lens Correct 💪 In-correct 🧐
300 cm, diverging lens Correct 💪 In-correct 🧐
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