Two lenses, one a converging lens of 12 cm focal length and the other a diverging lens of −18 cm focal length, are placed in contact. Find the combined focal length of this lens system.
Subject: General Awareness | Topic: Science | Difficulty: MEDIUM
Options
- (A) 7.2 cm
- (B) 8 cm
- (C) 16 cm
- (D) 36 cm
Verified Answer
Option (D): 36 cm
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