Chapter 6: Q3DQ (page 1274)
According to the photon model, light carries its energy in packets called quanta or photons. Why then don’t we see a series of flashes when we look at things?
We can’t see a series of flashes when we look at things due to high speed of photons and the large amount of photons.
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In Fig. 40.12b, the probability function is zero at the points x= 0 and x= L, the “walls” of the box. Does this mean that the particle never strikes the walls? Explain.
Is it possible for an object to be (a) slowing down while its acceleration is increasing in magnitude; (b) speeding up while its acceleration is decreasing? In both cases, explain your reasoning.
The materials called phosphorsthat coat the inside of a fluorescent lamp convert ultraviolet radiation (from the mercury vapour discharge inside the tube) into visible light. Could one also make a phosphor that converts visible light to ultraviolet? Explain.
Some lasers emit light in pulses that are only 10-12 s in duration. The length of such a pulse is . Can pulsed laser light be as monochromatic as light from a laser that emits a steady, continuous beam? Explain.
For a particle in a finite potential well, is it correct to say that each bound state of definite energy is also a state of definite wavelength? Is it a state of definite momentum? Explain.
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