A student places an object at 90 cm from a concave mirror and obtains its image at 45 cm in front of the mirror. What will be the distance between the pole and the principal focus of this mirror?
Subject: General Awareness | Topic: Science | Difficulty: MEDIUM
Options
- (A) 60 cm
- (B) 30 cm
- (C) 45 cm
- (D) 22.5 cm
Verified Answer
Option (B): 30 cm
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