Physics · Optics
If two plane mirrors are inclined at an angle θ such that 360/θ results in an even integer, what is the number of images (n) formed of an object placed between them?
- 1n = θ/360
- 2n = (360/θ) + 1
- 3n = 360/θ
- 4n = (360/θ) - 1✓
Correct answer
n = (360/θ) - 1
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