Physics · Reflection at Plane Mirror
If the angle between two plane mirrors is θ and 360/θ is an even number, what is the formula to calculate the number of images (n)?
- 1n = 180/θ
- 2n = (360/θ) + 1
- 3n = (360/θ) - 1✓
- 4n = 360/θ
Correct answer
n = (360/θ) - 1
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