APFIVE Air Wedge Interference Angle
A wedge-shaped air gap is formed between two glass plates. If monochromatic light of wavelength 550 nm in air produces 8 bright fringes per centimeter along the wedge, what is the angle between the glass plates?
A
4.4 × 10⁻⁴ radians
B
1.1 × 10⁻⁴ radians
C
2.2 × 10⁻⁴ radians
D
8.8 × 10⁻⁴ radians
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