b1 A parallel monochromatic light (=600nm) falls normally on a circular aperture of diameter 0.12¢m and is viewed from the opposite side along a line through the center of the hole and normal to its plane. Calculate the three larger distances from the hole at which the intensity is zero. b) A parallel monochromatic light (-600nm) falls normally on a circular aperture of diameter 0.12em and is viewed fromthe opposite side along a line through the center of the hole and normal to its plane. Calculate the three larger distancesfrom the hole at which the intensity is zero.

When a ray of light passes through an aperture, it experiences dispersion. That is, the light is…

Answered: A parallel monochromatic light (=600nm)…

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Problem 1: You want to test a special watertight monochromatic light source in an un- derwater environment. If the light source shines its beam of electromagnetic radiation into your eyes when you and the light source are above the water, with both your eyes and the light source immersed in air, the beam appears to your eyes to have a deep violet color. The index of refraction of water is about 1.33 What color, if any, would your eyes perceive the beam to have when you and the light source are submerged in water – and why? (A) No color. The beam would become invisible under water because its wavelength in water is shorter than in air, corresponding to a wavelength of ultra-violet light. The beam's wavelength in the water determines its visibility to the eye under water, and ultra-violet light is not visible to the human eye. (B) Same color as in air, above the water, i.e., deep violet. Under water, the beam would have the same wavelength as in air. The beam's wavelength in the water…
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