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Q6. If f1 = 12 cm, f2 = –18 cm, find the maximum focal length of the combination.

Physics — Optics, Nature of Light and Optical Instruments — Question 6 of 155

A. 36 cm
B. 34 cm
C. 32 cm
D. 30 cm

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If f1 = 12 cm, f2 = –18 cm, find the maximum focal leng... | Physics MCQ #6 | Examora | Examora