Application of diffraction
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- A good diffraction grating has 2.6 x 103
lines per centimeters. What is the distance between two lines in the grating?
- A spectrum uses a grating with 14 000 lines/cm. Find the angles at which yellow light, 560nm, and green light 520nm, have first order bright bands.
- A camera with a 60-mm lens set at apertures has an opening 4.25 mm in diameter. Suppose this leans acts like a slit 4.25 mm wide. For light with = 660 nm, what is the resolution of the lens- (the distance from the middle of the central bright band to the first order dark band). The film is 60.0 mm from the lens.