Physics for Scientists and Engineers with Modern Physics
4th Edition
ISBN: 9780131495081
Author: Douglas C. Giancoli
Publisher: Addison-Wesley
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Chapter 38, Problem 8Q
To determine
The effect of larger value of Planck’s constant in our daily life.
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Gather the information and try to correlate it with these equations:
v = c λ-1 and E = hv
thus, E = hc λ-1
where h = Planck’s constant, 6.63 x 10-34 Joules
E is the energy here and h bar is the reduced plancks constant. Please specify what is theta in the given formula .
Chapter 38 Solutions
Physics for Scientists and Engineers with Modern Physics
Ch. 38.3 - Prob. 1AECh. 38.8 - Prob. 1BECh. 38.8 - Prob. 1CECh. 38.9 - Prob. 1DECh. 38 - Prob. 1QCh. 38 - Prob. 2QCh. 38 - Prob. 3QCh. 38 - Prob. 4QCh. 38 - Would it ever be possible to balance a very sharp...Ch. 38 - Prob. 6Q
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- Show that Planck’s constant has the dimensions of angular momentum.arrow_forwardExplain the connection between Planck's hypothesis of energy quanta and the energies of the quantum harmonic oscillator.arrow_forwardCheck Your Understanding What is de Broglie’s wavelength of a non-relativistic proton with a kinetic energy of 1.0 eV?arrow_forward
- Why are X-rays emitted only for electron transitions to inner shells? What type of photon is emitted for transitions between outer shells?arrow_forwardCheck Your Understanding Find the de Brogue wavelength and kinetic energy of a free electron that travels at a speed of 0.75c.arrow_forwardHow do the allowed orbits for electrons in atoms differ from the allowed orbits for planets around the sun?arrow_forward
- At what velocity will an electron have a wavelength of 1.00 m?arrow_forwardIf an electron and a proton are traveling at the same speed, which one has the shorter de Brogue wavelength?arrow_forwardExplain why dimensional quantities like Planck’s constant cannot be arguments of some functions like the exponential function ?^ℎarrow_forward
- What is the frequency in Hertz of an X-ray with wavelength (9.00x10^-2) nm? (Give your answer to 3 sf). Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: x10 Answerarrow_forwardThe value of Planck's constant is 6.63 × 10-34 Js. The speed of light is -1 3 x 10¹7 nms ¹. Which value is closest to the wavelength of quantum of light with frequency of 6 x 10¹5 sec-¹ ? 1arrow_forward3:42 .ull 5G Done 2 of 2 John Isner holds the ATP's (Association of Tennis Professionals) official record for the fastest serve at 253 km/h. Calculate the de Broglie wavelength of a tennis ball with the standard weight of 54.6 grams. Give your answer in 1034 m (for example, if your answer is 5.6x1034 m, then enter 5.6). This should give you a good idea of why one cannot expect to observe interference affects using tennis balls rather then, for example, electrons. +)arrow_forward
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