Essential University Physics: Volume 2 (3rd Edition)
3rd Edition
ISBN: 9780321976420
Author: Richard Wolfson
Publisher: PEARSON
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Question
Chapter 34, Problem 13FTD
To determine
What would happen if Planck’s constant had the value
1 J ⋅ s
.
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With what speed would a rock of mass 49.0
g have to be thrown if it were to have a
wavelength of 4.33 × 10¬34 m?
Planck's constant is 6.63 × 10¬34 J . s.
Answer in units of m/s.
A photon in a laboratory experiment has an energy of 4.2 eV. What is the frequency of this photon? Planck’s constant is 6.63 × 10−34 J · s. Answer in units of Hz.
A photon in a laboratory experiment has anenergy of 4.1 eV.What is the frequency of this photon?Planck’s constant is 6.63 × 10−34 J · s.Answer in units of Hz.
Chapter 34 Solutions
Essential University Physics: Volume 2 (3rd Edition)
Ch. 34.2 - Prob. 34.1GICh. 34.3 - If you replot Fig. 34.7 for a material with a...Ch. 34.3 - Prob. 34.3GICh. 34.4 - Prob. 34.4GICh. 34.5 - Prob. 34.5GICh. 34.6 - Prob. 34.6GICh. 34 - Prob. 1FTDCh. 34 - Prob. 2FTDCh. 34 - Prob. 3FTDCh. 34 - Prob. 4FTD
Ch. 34 - Prob. 5FTDCh. 34 - Prob. 6FTDCh. 34 - Prob. 7FTDCh. 34 - Prob. 8FTDCh. 34 - Prob. 9FTDCh. 34 - Prob. 10FTDCh. 34 - Prob. 11FTDCh. 34 - Prob. 12FTDCh. 34 - Prob. 13FTDCh. 34 - Prob. 14FTDCh. 34 - Prob. 15ECh. 34 - The surface temperature of the star Rigel is 104K....Ch. 34 - Prob. 17ECh. 34 - Prob. 18ECh. 34 - Prob. 19ECh. 34 - Prob. 20ECh. 34 - Prob. 21ECh. 34 - Prob. 22ECh. 34 - Prob. 23ECh. 34 - Prob. 24ECh. 34 - Prob. 25ECh. 34 - Prob. 26ECh. 34 - Prob. 27ECh. 34 - Prob. 28ECh. 34 - Prob. 29ECh. 34 - Prob. 30ECh. 34 - Prob. 31ECh. 34 - Prob. 32ECh. 34 - Prob. 33ECh. 34 - Prob. 34ECh. 34 - Prob. 35ECh. 34 - Prob. 36ECh. 34 - Prob. 37ECh. 34 - Prob. 38PCh. 34 - Prob. 39PCh. 34 - Prob. 40PCh. 34 - Prob. 41PCh. 34 - Prob. 42PCh. 34 - Prob. 43PCh. 34 - Prob. 44PCh. 34 - Prob. 45PCh. 34 - Prob. 46PCh. 34 - Prob. 47PCh. 34 - Prob. 48PCh. 34 - Prob. 49PCh. 34 - Prob. 50PCh. 34 - Prob. 51PCh. 34 - Prob. 52PCh. 34 - Prob. 53PCh. 34 - Prob. 54PCh. 34 - Prob. 55PCh. 34 - Prob. 56PCh. 34 - Prob. 57PCh. 34 - Prob. 58PCh. 34 - Prob. 59PCh. 34 - Prob. 60PCh. 34 - Prob. 61PCh. 34 - Prob. 62PCh. 34 - Prob. 63PCh. 34 - Prob. 64PCh. 34 - Prob. 65PCh. 34 - Prob. 66PCh. 34 - Prob. 67PCh. 34 - Prob. 68PCh. 34 - Prob. 69PCh. 34 - Prob. 70PCh. 34 - Prob. 71PCh. 34 - Prob. 72PCh. 34 - Prob. 73PCh. 34 - Prob. 74PCh. 34 - Prob. 75PCh. 34 - Prob. 76PCh. 34 - Prob. 77PCh. 34 - Prob. 78PCh. 34 - Prob. 79PCh. 34 - Prob. 80PCh. 34 - Prob. 81PCh. 34 - Prob. 82PCh. 34 - Prob. 83PCh. 34 - Prob. 84PPCh. 34 - Prob. 85PPCh. 34 - Prob. 86PPCh. 34 - Prob. 87PP
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- Show that Stefan’s law results from Planck’s radiation law. Hin: To compute the total power of blackbody radiation emitted across the entire spectrum of wavelengths at a given temperature, integrate Planck’s law over the entire spectrum P(T)=0I(,T)d. Use the substitution x=hckT and the tabulated value of the integral 0dx x 3( e x 1)=415arrow_forwardA photon in a laboratory experiment has anenergy of 8.9 eV. What is the frequency of this photon?Planck’s constant is 6.63 × 10−34 J · s.Answer in units of Hzarrow_forwardA neutron of mass 1.675 × 10-27 kg has a de Broglie wavelength of 7.8x10-12 m. What is the kinetic energy (in eV) of this non-relativistic neutron? Please give your answer with two decimal places. 1 eV = 1.60 × 10-19 J, h = 6.626 × 10-34 J ∙ s.arrow_forward
- A quantum of electromagnetic radiation has an energy of 1.02 keV. What is its wavelength? The speed of light is 2.99792 x 10° m/s, and Planck's constant is 6.62607 × 10¬34 J. s. Answer in units of nm.arrow_forwardPhotons of a certain infrared light have an energy of 1.68 x 10-19 J (a) What is the frequency of this IR light? Planck's constant is 6.63 x 10-34 J*s (b) What is the wavelength of this light?arrow_forwardA certain shade of blue has a frequency of 7.33×1014 Hz. What is the energy ? of exactly one photon of this light? Planck's constant ℎ=6.626×10−34 J⋅s.arrow_forward
- Calculate the de Broglie wavelength of proton, if it is moving with speed of 2 × 105 m/s. Mass of proton (m) = 1.67 x 10-27 kg. Planck's × constant = 6.625 × 10-34 Js.arrow_forwardIn an experiment on the photoelectric effect, a metal is illuminated by visible light of different wavelengths. A photoelectron has a maximum kinetic energy of 0.9 eV when red light of wavelength 640 nm is used. With blue light of wavelength 420 nm, the maximum kinetic energy of the photoelectron is 1.9 eV. Use this information to calculate an experimental value for the Planck constant h. [arrow_forwardThe threshold frequency for a certain metal for photoelectric effect is 1.7 x 1015 Hz. When light of frequency 2.2 × 1015, Hz is incident on metal surface, the K.E. of emitted photoelectrons is 3.3 × 10- 19 J. Calculate Planck's constant.arrow_forward
- An electron in a particular atom jumps from an orbit where the energy is higher than that of the final lower- energy orbit. What is the magnitude of the energy difference (in eV) of the two energy levels if the emitted photon has a wavelength of 490 nm? [Planck's constant h=4.14 X 10^-15 eV X s]arrow_forwardA mosquito moving at 11 m/s has a de Brogliewavelength of 5.4 × 10−30 m.What is the mass of this mosquito?Planck’s constant is 6.63 × 10−34 J · s.Answer in units of kg.arrow_forwardExplain why dimensional quantities (like Planck’s constant) can't be arguments of some functions like the exponential function e^h. Planck’s constant has units h: [kg][m]^2/[s]. Investigate e^h.arrow_forward
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