College Physics 11E Global Edition
11th Edition
ISBN: 9781337620338
Author: SERWAY/VUILLE
Publisher: CENGAGE Learning Custom Publishing
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Chapter 27, Problem 15P
To determine
The minimum accelerating voltages required to produce the extreme wavelengths.
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The extremes of the x-ray portion of the electromagnetic spectrum range from approximately 1.0 × 10−8 m to 1.0 × 10−13 m. Find the minimum accelerating voltages required to produce wavelengths at these two extremes
Roughly what frequency and what kind of light would you need to be able to
separate an electron from a proton?
Of = 1018 H z, x ray
f = 1014 H z, visible light
Of = 102° H z, y ray
O f = 10° H z, microwave
Consider six proposed properties of electromagnetic radiation: wave speeds of 3.00 x 10° km/s and 3.00 x 10°m/s, wavelengths
of 563 nm and 0.193 nm, and frequencies of 2.15 x 1018 Hz and 6.26 x 1014 Hz. Place these according to whether they apply
only to the X-ray band, only to the visible light band, to both bands, or to neither band.
X-ray band only
Visible light band only
Both bands
Neither band
Answer Bank
frequency of 6.26 × 1014 Hz.
speed of 3.00 x 10* m/s
speed of 3.00 x 10* km/s
frequency of 2.15 × 10'8 Hz
wavelength of 0.193 nm
wavelength of 563 nm
Chapter 27 Solutions
College Physics 11E Global Edition
Ch. 27.5 - Prob. 27.1QQCh. 27.5 - Prob. 27.2QQCh. 27.5 - Prob. 27.3QQCh. 27.6 - Prob. 27.4QQCh. 27.6 - Prob. 27.5QQCh. 27 - Prob. 1CQCh. 27 - Prob. 2CQCh. 27 - Prob. 3CQCh. 27 - Prob. 4CQCh. 27 - Prob. 5CQ
Ch. 27 - Prob. 6CQCh. 27 - Prob. 7CQCh. 27 - Prob. 8CQCh. 27 - Prob. 9CQCh. 27 - Prob. 10CQCh. 27 - Prob. 11CQCh. 27 - Prob. 12CQCh. 27 - Prob. 13CQCh. 27 - Prob. 14CQCh. 27 - Prob. 15CQCh. 27 - Prob. 16CQCh. 27 - Prob. 1PCh. 27 - Prob. 2PCh. 27 - Prob. 3PCh. 27 - Prob. 4PCh. 27 - Prob. 5PCh. 27 - Prob. 6PCh. 27 - Prob. 7PCh. 27 - Prob. 8PCh. 27 - Prob. 9PCh. 27 - Prob. 10PCh. 27 - Prob. 11PCh. 27 - Prob. 12PCh. 27 - Prob. 13PCh. 27 - Prob. 14PCh. 27 - Prob. 15PCh. 27 - Prob. 16PCh. 27 - Prob. 17PCh. 27 - Prob. 18PCh. 27 - Prob. 19PCh. 27 - Prob. 20PCh. 27 - Prob. 21PCh. 27 - Prob. 22PCh. 27 - Prob. 23PCh. 27 - Prob. 24PCh. 27 - Prob. 25PCh. 27 - Prob. 26PCh. 27 - Prob. 27PCh. 27 - Prob. 28PCh. 27 - Prob. 29PCh. 27 - Prob. 30PCh. 27 - Prob. 31PCh. 27 - Prob. 32PCh. 27 - Prob. 33PCh. 27 - Prob. 34PCh. 27 - Prob. 35PCh. 27 - Prob. 36PCh. 27 - Prob. 37PCh. 27 - Prob. 38PCh. 27 - Prob. 39PCh. 27 - Prob. 40PCh. 27 - Prob. 41APCh. 27 - Prob. 42APCh. 27 - Prob. 43APCh. 27 - Prob. 44APCh. 27 - Prob. 45APCh. 27 - Prob. 46APCh. 27 - Prob. 47APCh. 27 - Prob. 48APCh. 27 - Prob. 49APCh. 27 - Prob. 50APCh. 27 - Prob. 51APCh. 27 - Prob. 52AP
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- Roughly what frequency and what kind of light would you need to be able to separate an electron from a proton? O f = 101° H z, x ray f = 1014 H z, visible light O f = 102° H z, y ray %D O f = 10° H z, microwavearrow_forwardConsider six proposed properties of electromagnetic radiation: wave speeds of 3.00 x 10° km/s and 3.00 × 10³m/s, wavelengths of 423 nm and 0.281 nm, and frequencies of 2.03 × 1018 Hz and 7.49 x 1014 Hz. Place these according to whether they apply only to the X-ray band, only to the visible light band, to both bands, or to neither band. X-ray band only Visible light band only Both bands Neither band Answer Bank frequency of 2.03 × 1018 Hz frequency of 7.49 × 1014 Hz wavelength of 0.281 nm wavelength of 423 nm speed of 3.00 x 10® km/s speed of 3.00 × 10³ m/sarrow_forwardTwo spherical stars A and B emit blackbody radiation. The radius of A is 400 times that of B and A emits 10 times the power emitted from B. The ratio (2A/2B) of their wavelengths A and B at which the peaks occur in their respective radiation curves isarrow_forward
- The carbon-dioxide laser is one of the most powerful lasers developed. The energy difference between the two laser levels is 0.117 eV.(a) What is the frequency of the radiation emitted by this laser?(b) In what part of the EM spectrum is such radiation found?arrow_forwardGive the momentum (in kg m/s) of a photon with wavelength 635.0 nm.arrow_forward(a) How many minutes does it take a photon to travel from the Sun to the Earth? 8.32 It can be useful to remember that light travels from the Sun to Earth in about 8.32 minutes. min (b) What is the energy in eV of a photon with a wavelength of 628 nm? 1.98 eV (c) What is the wavelength (in m) of a photon with an energy of 1.13 eV? 1.76*10**-6arrow_forward
- What is the wavelength of an X-ray photon with energy 9.0 keV (9000 eV)?arrow_forwardThings around you are emitting infrared radiation that includes the wavelength 1.01 *10-5 m. What is the energy of these IR photons?arrow_forwardA 75 mW laser produces a (polarized) beam of 595 nm light. This light reflects normally off an object that reflects 90 percent of the incident energy. How long does it take this laser to give the surface a momentum of 0.005 kgm/s If the rms electric field inside the beam is 1600 v/m, what is the radius of the beam?arrow_forward
- Find the power per unit area radiated from the sun’s surface in the wavelength range 600.0 to 605.0 nm.arrow_forwardLight with an intensity of 10−10W/m2 is shone perpendicular to the surface a metal that has one free electron per atom. Distance between atoms approx 2, 6A˚. Based on the notion of light as a wave and the assumption that light evenly distributed over the entire metal surface, (a) how much energy each electrons per second? (b) if the electron binding energy is 4.7eV , how long does the electron collect energy to escape the metal surface?arrow_forwardThe energy (in electron-volts) for a photon with a wavelength 439.8 nm is:arrow_forward
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