Question Detail
Question
For a simple single lens magnifier, the angular magnification (M) is given by M = 25/f. What are the required units for the focal length (f) in this specific formula?
Correct Answer
Option C is the correct answer.
Detailed Explanation
The document explicitly states: 'For a simple single lens magnifier M = 25/f, where f is the focal length in cm.'
Hint
Pay close attention to the units specified next to the formula in the text.