Physical Science (12th Edition), Standalone Book
12th Edition
ISBN: 9781260150544
Author: Bill W. Tillery
Publisher: McGraw Hill Education
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Question
Chapter 8, Problem 16AC
To determine
From the following options, the spectrum in which the light from an incandescentgas is dispersed into narrow lines of colors with no light between the lines is:
Impossible spectrum
Line spectrum
Balmer spectrum
Newton spectrum
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During a brown-out, the electric power company drops the voltage of the power line and the incandescent light bulbs in your house become dimmer. When this happens, the filaments in the bulbs operate at a lower than normal temperature, so
a. their color is somewhat bluer than normal.
b. they emit ultraviolet light.
c. their color is the same as normal, but they are less bright.
d. their color is somewhat redder than normal.
e. they burn out more quickly.
Using the Bohr model of a hydrogen atom, consider the transition from n = 5 to n = 3.
What is the frequency of the photons emitted by hydrogen atoms when they undergo transitions from n = 5 to n = 3? Hz
In what region of the electromagnetic spectrum will this light appear?Choose one:
A. visible
B. ultraviolet (UV)
C. infrared (IR)
D. microwave
19.
A certain atom holds an electron with an initial energy of 6.4 eV
above the ground state energy. At some time later the energy is 3.2
eV above ground state. What is the frequency associated with the
emission of the photon for this transition?
A. 9.4x10¹4 Hz
B. 7.7x10¹4 Hz
C. 2.1x10¹4 Hz
D. 8.9x1014 Hz
Chapter 8 Solutions
Physical Science (12th Edition), Standalone Book
Ch. 8 - Prob. 1ACCh. 8 - Prob. 2ACCh. 8 - Prob. 3ACCh. 8 - 4. Millikan measured the charge on oil droplets...Ch. 8 - Prob. 5ACCh. 8 - Prob. 6ACCh. 8 - Prob. 7ACCh. 8 - Prob. 8ACCh. 8 - Prob. 9ACCh. 8 - Prob. 10AC
Ch. 8 - Prob. 11ACCh. 8 - Prob. 12ACCh. 8 - Prob. 13ACCh. 8 - Prob. 14ACCh. 8 - Prob. 15ACCh. 8 - Prob. 16ACCh. 8 - Prob. 17ACCh. 8 - Prob. 18ACCh. 8 - Prob. 19ACCh. 8 - Prob. 20ACCh. 8 - Prob. 21ACCh. 8 - Prob. 22ACCh. 8 - Prob. 23ACCh. 8 - Prob. 24ACCh. 8 - Prob. 25ACCh. 8 - Prob. 26ACCh. 8 - 27. Elements that have properties of both the...Ch. 8 - Prob. 28ACCh. 8 - Prob. 29ACCh. 8 - Prob. 30ACCh. 8 - Prob. 31ACCh. 8 - Prob. 32ACCh. 8 - Prob. 33ACCh. 8 - Prob. 34ACCh. 8 - Prob. 35ACCh. 8 - Prob. 36ACCh. 8 - Prob. 37ACCh. 8 - Prob. 38ACCh. 8 - Prob. 39ACCh. 8 - Prob. 40ACCh. 8 - Prob. 41ACCh. 8 - Prob. 42ACCh. 8 - Prob. 43ACCh. 8 - Prob. 44ACCh. 8 - Prob. 45ACCh. 8 - Prob. 46ACCh. 8 - Prob. 47ACCh. 8 - Prob. 48ACCh. 8 - Prob. 49ACCh. 8 - Prob. 1QFTCh. 8 - Prob. 2QFTCh. 8 - Prob. 3QFTCh. 8 - Prob. 4QFTCh. 8 - Prob. 5QFTCh. 8 - Prob. 6QFTCh. 8 - Prob. 7QFTCh. 8 - Prob. 8QFTCh. 8 - Prob. 9QFTCh. 8 - Prob. 10QFTCh. 8 - Prob. 11QFTCh. 8 - Prob. 12QFTCh. 8 - Prob. 1FFACh. 8 - Prob. 2FFACh. 8 - Prob. 3FFACh. 8 - Prob. 4FFACh. 8 - Prob. 5FFACh. 8 - Prob. 6FFACh. 8 - Prob. 1PEACh. 8 - Prob. 2PEACh. 8 - Prob. 3PEACh. 8 - Prob. 4PEACh. 8 - Prob. 5PEACh. 8 - Prob. 6PEACh. 8 - Prob. 7PEACh. 8 - Prob. 8PEACh. 8 - Prob. 9PEACh. 8 - Prob. 10PEACh. 8 - Prob. 11PEACh. 8 - Prob. 12PEACh. 8 - Prob. 13PEACh. 8 - Prob. 14PEACh. 8 - Prob. 15PEACh. 8 - Prob. 16PEACh. 8 - Prob. 17PEACh. 8 - Prob. 18PEACh. 8 - Prob. 19PEACh. 8 - Prob. 1PEBCh. 8 - Prob. 2PEBCh. 8 - Prob. 3PEBCh. 8 - Prob. 4PEBCh. 8 - Prob. 5PEBCh. 8 - 6. If the charge-to-mass ratio of a proton is 9.58...Ch. 8 - Prob. 7PEBCh. 8 - 8. Using any reference you wish, write the...Ch. 8 - Prob. 9PEBCh. 8 - 10. Referring to Figure 8.16 only, write the...Ch. 8 - 11. An electric motor draws a current of 11.5 A in...Ch. 8 - Prob. 12PEBCh. 8 - Prob. 13PEBCh. 8 - Prob. 14PEBCh. 8 - Prob. 15PEBCh. 8 - Prob. 16PEBCh. 8 - Prob. 17PEBCh. 8 - Prob. 18PEBCh. 8 - Prob. 19PEB
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- b) An incandescent lightbulb and a thin gas cloud are in space. An observer viewing with the perspective of the arrow in the attached diagram would see A. an absorption line spectrum. B. an emission line spectrum. C. a continuous spectrum. Reset Selection ple give explinationarrow_forwardThe electromagnetic (EM) spectrum is the term used by scientists to describe the entire range of light that exists with a speed of 300 million meters per second. Complete: Atoms will emit visible and ultraviolet light ... A. as electrons jump from higher energy levels to lower levels. B. as electrons jump from lower energy levels to higher levels. C. as the atoms condense from a gas to a liquid. D. as the electrons move about the atom within an orbit.arrow_forward4. For a photoelectric effect experiment the incident light must be above the cut-off frequency, otherwise: A. the effect will not be seen. B. the effect will only be seen for very bright incident light. C. there will be a time delay before the photoelectrons will eject. D. the effect will happen too quickly for human perception.arrow_forward
- 1. A photon of light has a frequency of 5.00 x 1014 Hz. If the frequency of the photon was doubled then which of these would happen to the energy of this photon? a. it would triple b. it would become one-fourth as much c. it would become half as much d. it would quadruple e. it would doublearrow_forward3. Use this table and graph to collect and analyze data. Hint: KE=eV in J 1 2 3 4 5 When e = electron charge = 1.6x10^-19C V- is the Stoping Potencial, f=c/wave length, c- is the speed of light on the empty space, c=3*10^8m/s * KE max (J) *** *** wavelength nm 4.05 4.73 5.32 5.89 6.35 2.5x10-19 2x10-19 1.5x10-19 1x10-19 variable 50M stopping potential ... V 1.8 1.2 0.90 0.98 0.48 ✔Display Curve Fit Uncertainties KE max Curve: y = Ax+B A: 6.92 x 10-27 +1.25 x 10-27 B: -2.33 x 10-197.39 × 10-20 J RMSE 2.66 x 10-20 J T: 0.955 variable Frequency 55M HZ 7.41e+7 6.34e+7 5.64e+7 5.09e+7 4.72e+7 X KE max vs Frequency V 60M Frequency (HZ) KE max 2.88e-19 1.92e-19 1.44e-19 1.57e-19 7.68e-20 65M y *** 70M ● *arrow_forwardIn a photoelectric-effect experiment, the frequency of the light is increased while the intensity is held constant. As a result,A. There are more electrons. B.B. The electrons are faster.C. Both A and B.D. Neither A nor B.arrow_forward
- Question 14 a) A narrow beam of white light is passed through a clear glass vessel containing cool hydrogen gas at a low pressure. A prism is used to disperse the light leaving the vessel. This results in a white light spectrum, crossed by a series of dark lines. Explain the origin of these dark lines and name the type of spectrum that is produced. b) Some of the atomic energy levels of hydrogen are shown in the diagram below. i. ii. iii. Energy/eV 0 -0.85 -1.51 -3.39 -13.58 n = 4 n = 3 n = 2 n = 1 Determine the ionization energy of hydrogen and express this in joules. Determine the wavelength of the light emitted when an electron falls from the n = 3 level to the n = 1 energy level. A photon of energy 10.19 eV is in collision with a hydrogen atom. What would happen to this photon?arrow_forwardThe photoelectric effeet tells us that A. electrons have a wave nature. B. light has a particle nature. C. a photon can be converted into an electron. D. electrons are the conductors in metals.arrow_forwardWhat will be the energy associated with a red photon, if the wavelength of the red light is 650 nm? [Hint: Find the frequency of red light first to calculate the energy. Recall: c = .f] A. 650x10° J B. 6.5x10 J C. 4.6x1014 J D. 3.0x10-19 J E. 3.0x1019 Jarrow_forward
- 8. If an argon ion laser emits light with wavelength 4.88 x 10-11 m, what is the frequency of this radiation? (c = 3.0 x 10 8) * A. 1.46 x 10 21 Hz O B. 2.05 x 10 16 Hz O C.4.07 x 10 19 Hz O D. 6.15 x 10 18 Hzarrow_forward3. Give one example of a situation in which a. light behaves as if it is made of particles b. light behaves as a wave c. electrons behave as particles d. electrons exhibit wave behaviourarrow_forward2a. An atom in an excited state 1.94eV above the ground state remains in that excited state 1.97us before moving to the ground state. Calculate the frequency of the emitted photon. 2b. Calculate the wavelength of the emitted photon. 2c. Calculate the approximate uncertainty in energy of the photon.arrow_forward
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