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Chapter 27: Q36CQ (page 996)
Using the information given in the preceding question, explain why sunsets are red.
If we have various intensities measured from different angles, the refracted light will be polarized.
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What type of experimental evidence indicates that light is a wave?
(a) Find the maximum number of lines per centimeter a diffraction grating can have and produce a maximum for the smallest wavelength of visible light. (b) Would such a grating be useful for ultraviolet spectra? (c) For infrared spectra?
If a diffraction grating produces a first-order maximum for the shortest wavelength of visible light at, at what angle will the first-order maximum be for the longest wavelength of visible light?
(a) The planet Pluto and its Moon Charon are separated by \(19,600{\rm{ }}km\). Neglecting atmospheric effects, should the \(5.08 - m\)-diameter Mount Palomar telescope be able to resolve these bodies when they are \(4.50 \times {10^9}{\rm{ }}km\) from Earth? Assume an average wavelength of \(550{\rm{ }}nm\).
(b) In actuality, it is just barely possible to discern that Pluto and Charon are separate bodies using an Earth-based telescope. What are the reasons for this?
Red light of wavelength of 700 nm falls on a double slit separated by 400 nm. (a) At what angle is the first-order maximum in the diffraction pattern? (b) What is unreasonable about this result? (c) Which assumptions are unreasonable or inconsistent?
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