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Chapter 27: Q31CQ (page 995)
Can a sound wave in air be polarized? Explain
No, polarization of sound waves is not possible.
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Suppose you use the same double slit to perform Young鈥檚 double slit experiment in air and then repeat the experiment in water. Do the angles to the same parts of the interference pattern get larger or smaller? Does the color of the light change? Explain.
A film of soapy water \((n = 1.33)\) on top of a plastic cutting board has a thickness of \(233{\rm{ }}nm\). What colour is most strongly reflected if it is illuminated perpendicular to its surface?
No light passes through two perfect polarizing filters with perpendicular axes. However, if a third polarizing filter is placed between the original two, some light can pass. Why is this? Under what circumstances does most of the light pass?
Does Huygens鈥檚 principle apply to all types of waves?
(a) If the first-order maximum for pure-wavelength light falling on a double slit is at an angle of , at what angle is the second-order maximum? (b) What is the angle of the first minimum? (c) What is the highest-order maximum possible here?
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