The Interference Pattern Is from a Spherical Lens Placed on a Flat

question 111

Multiple Choice

The interference pattern is from a spherical lens placed on a flat reflecting surface using a monochromatic light of wavelength λ = 550 nm. If the distance from the center to A is 0.6 mm, the radius of curvature of the lens is

• A) 41.3 cm.
• B) 82.5 cm.
• C) 18.7 cm.
• D) 37.4 cm.
• E) 26.2 cm.

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