Two narrow slits, a distance d apart, are illuminated at normal incidence by parallel beams of light of wavelength 2. An interference pattern is seen on a screen at a distance L from the plane of the slits. In the apparatus shown in Figure 5 above, d = 3.0x10*m, L= 3.0m , and the slits are illuminated normally with light containing only the wavelengths 4.2x107m and 5.6x 10 m . Calculate distance from the central fringe, other than zero, where a maximum intensity for the first wavelength coincides with a maximum intensity for the second wavelength? Based on the concept above, sketch a phenomena or application where you can observe the above concept. Explain.
Two narrow slits, a distance d apart, are illuminated at normal incidence by parallel beams of light of wavelength 2. An interference pattern is seen on a screen at a distance L from the plane of the slits. In the apparatus shown in Figure 5 above, d = 3.0x10*m, L= 3.0m , and the slits are illuminated normally with light containing only the wavelengths 4.2x107m and 5.6x 10 m . Calculate distance from the central fringe, other than zero, where a maximum intensity for the first wavelength coincides with a maximum intensity for the second wavelength? Based on the concept above, sketch a phenomena or application where you can observe the above concept. Explain.
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