General Physics, 2nd Edition
2nd Edition
ISBN: 9780471522782
Author: Morton M. Sternheim
Publisher: WILEY
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Chapter 27, Problem 4E
To determine
The longest wavelength
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X-rays of wavelength 1.520×10^−2 nm are scattered from a carbon atom. The wavelength shift is measured to be 3.26×10^−4 nm.
a) What is the scattering angle?
b) How much energy, in , does each photon impart to each electron?
Find the
(a) maximum frequency, and
(b) minimum wavelength of X-rays produced by 30 kV electrons.
What is the minimum wavelength in m of the x-ray photons from a 140 kV x-ray tube?
(h = 6.63x10-34J·s, 1 eV = 1.6x10-19 J, c = 3.0x108 m/s
Chapter 27 Solutions
General Physics, 2nd Edition
Ch. 27 - Prob. 1RQCh. 27 - Prob. 2RQCh. 27 - Prob. 3RQCh. 27 - Prob. 4RQCh. 27 - Prob. 5RQCh. 27 - Prob. 6RQCh. 27 - Prob. 7RQCh. 27 - Prob. 8RQCh. 27 - Prob. 9RQCh. 27 - Prob. 10RQ
Ch. 27 - Prob. 1ECh. 27 - Prob. 2ECh. 27 - Prob. 3ECh. 27 - Prob. 4ECh. 27 - Prob. 5ECh. 27 - Prob. 6ECh. 27 - Prob. 7ECh. 27 - Prob. 8ECh. 27 - Prob. 9ECh. 27 - Prob. 10ECh. 27 - Prob. 11ECh. 27 - Prob. 12ECh. 27 - Prob. 13ECh. 27 - Prob. 14ECh. 27 - Prob. 15ECh. 27 - Prob. 16ECh. 27 - Prob. 17ECh. 27 - Prob. 18ECh. 27 - Prob. 19ECh. 27 - Prob. 20ECh. 27 - Prob. 21ECh. 27 - Prob. 22ECh. 27 - Prob. 23ECh. 27 - Prob. 24ECh. 27 - Prob. 25ECh. 27 - Prob. 26ECh. 27 - Prob. 27ECh. 27 - Prob. 28ECh. 27 - Prob. 29ECh. 27 - Prob. 30ECh. 27 - Prob. 31ECh. 27 - Prob. 32ECh. 27 - Prob. 33ECh. 27 - Prob. 34ECh. 27 - Prob. 35ECh. 27 - Prob. 36ECh. 27 - Prob. 37ECh. 27 - Prob. 38ECh. 27 - Prob. 39ECh. 27 - Prob. 41ECh. 27 - Prob. 42ECh. 27 - Prob. 43ECh. 27 - Prob. 44ECh. 27 - Prob. 45ECh. 27 - Prob. 46ECh. 27 - Prob. 47ECh. 27 - Prob. 48E
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- Find the(a) maximum frequency, and(b) minimum wavelength of X-rays produced by 30 kV electrons.arrow_forwardCalculate the number of electrons required to to produce radiation at 590 nm, Ng90 having linewidth 50 nm, from a solid rod containing N. = 2 x 1030 atom/m3 at room temperature (30°C). Then determine the percentage of excited electron at 3000°C in order to produce a radiation in the same spectrum range.arrow_forward(A) Find the peak wavelength of the blackbody radiation emitted by the human body when the skin temperature is 35°C.arrow_forward
- A Blu-ray disc player uses a λ = 405mm, P = 5.00mW laser and can read one bit of data in At = 18.5ns. The energy emitted by the laser during that time is 9. 25 × 10-11 J. How many photons of laser light are emitted during that time? 24.36.31.88 188 1,880 18,800,000 188,000,000 1,880,000,000arrow_forwardA sodium surface is illuminated with light having a wavelength of 300 nm. As indicated as shown, the work function for sodium metal is 2.46 eV.(A) Find the maximum kinetic energy of the ejected photoelectrons.arrow_forwardX rays with a wavelength of 0.0700 nm diffract from a crystal. Two adjacent angles of x-ray diffraction are 45.6° and 21.0°. What is the distance in nm between the atomic planes responsible for the diffraction?arrow_forward
- What is the shortest-wavelength x-ray radiation that can be generated in an x-ray tube with an applied voltage of 50.0 kV? (b) Calculate the photon energy in eV.arrow_forward(b) A/ The work function of a certain metal is o = 4.15 eV. Determine the minimum frequency of light for which photoelectrons are emitted from the metal. (Planck's constant is: h = 4.1357x10^-15 eV s.) (c) B/ Determine the corresponding wavelength of light. (Possibly useful constant: hc = 1240 eVnm.) Correction: the work function is = 5.30 eV; (a) C/ Calculate the kinetic energy of the emitted electrons if the frequency of the photons is doubled.arrow_forwardThe De Broglie wavelength of 1 mg grain of sand blown by a wind at the speed of m/s is .... (h = 6.63 × 10-34 S.I. unit) (а) 33.15 х 10 36 m (b) 33.15 х 10-33 (c) 33.15 × 10-30 m (d) 33.15 x 1030 marrow_forward
- Water is exposed to infrared radiation of wavelength 2.8x10^-4 cm. Assume that all the radiation is absorbed and converted to heat. How many photons are required for the sample to absorb 16.72 J of heat?arrow_forwardAn x-ray photon with wavelength 15.0 pm is scattered at 84.0° by an electron. What is the wavelength of the scattered photon?arrow_forward. Lithium, beryllium, and mercury have work functions of 2.30 eV, 3.90 eV, and 4.50 eV, respectively. Light with a wavelength of 400 nm is incident on each of these metals. (a) Which of these metals emit photoelectrons in response to the light? Why? (b) Find the maximum kinetic energy (en eVs)for the photoelectrons in each case where photoelectrons are emitted.arrow_forward
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