Understanding Our Universe
3rd Edition
ISBN: 9780393614428
Author: PALEN, Stacy, Kay, Laura, Blumenthal, George (george Ray)
Publisher: W.w. Norton & Company,
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Question
Chapter 10, Problem 12QAP
To determine
The energy of photon that is not possible during emission.
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A hydrogen atom releases a photon with an energy of 12.5eV.
a) Determine the frequency of the photon
b) Determine the wavelength of the photon.
Determine the energy of a photon released as an electron in a hydrogen atom undergoes transition from n=3 to n=2. Note: the speed of light is c= 3.0*10^8m/s. Your answer should follow the format: a) wavelength of light. b) frequency of light. c) energy of the photon.
Determine the energy of a cosmic rays' photon, if its wavelength is 1.24 x 10-14m?
(h = 6.63 x 10-34Js)
Group of answer choices
2.74 x 10-58J
8.22 x 10-48J
5.34 x 10-20J
1.60 x 10-11J
Chapter 10 Solutions
Understanding Our Universe
Ch. 10.1 - Prob. 10.1CYUCh. 10.2 - Prob. 10.2CYUCh. 10.3 - Prob. 10.3CYUCh. 10.4 - Prob. 10.4CYUCh. 10 - Prob. 1QAPCh. 10 - Prob. 2QAPCh. 10 - Prob. 3QAPCh. 10 - Prob. 4QAPCh. 10 - Prob. 5QAPCh. 10 - Prob. 6QAP
Ch. 10 - Prob. 7QAPCh. 10 - Prob. 8QAPCh. 10 - Prob. 9QAPCh. 10 - Prob. 10QAPCh. 10 - Prob. 11QAPCh. 10 - Prob. 12QAPCh. 10 - Prob. 13QAPCh. 10 - Prob. 14QAPCh. 10 - Prob. 15QAPCh. 10 - Prob. 16QAPCh. 10 - Prob. 17QAPCh. 10 - Prob. 18QAPCh. 10 - Prob. 19QAPCh. 10 - Prob. 20QAPCh. 10 - Prob. 21QAPCh. 10 - Prob. 22QAPCh. 10 - Prob. 23QAPCh. 10 - Prob. 24QAPCh. 10 - Prob. 25QAPCh. 10 - Prob. 26QAPCh. 10 - Prob. 27QAPCh. 10 - Prob. 28QAPCh. 10 - Prob. 29QAPCh. 10 - Prob. 31QAPCh. 10 - Prob. 32QAPCh. 10 - Prob. 33QAPCh. 10 - Prob. 34QAPCh. 10 - Prob. 35QAPCh. 10 - Prob. 36QAPCh. 10 - Prob. 37QAPCh. 10 - Prob. 38QAPCh. 10 - Prob. 39QAPCh. 10 - Prob. 40QAPCh. 10 - Prob. 41QAPCh. 10 - Prob. 42QAPCh. 10 - Prob. 43QAPCh. 10 - Prob. 44QAPCh. 10 - Prob. 45QAP
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- What force keeps the all stars from flying apart? (18.3) (a) nuclear force (b) gravitational force (c) radiation pressure (d) electrical forcearrow_forwardWhat is the wavelength of the photon with energy E = 4.2 × 10-16 J. Use the unit of nm for the wavelength. Planck constant is h = 6.626 × 10-34 J·s, and the speed of light is c = 2.9979 × 108 m/s.arrow_forwardA photon emitted as a hydrogen atom undergoes a transition from the n = 8 state to then = 2 state.Find the energy of the emitted photon. Theenergy of the ground state is 13.6 eV.Answer in units of eV. Find the wavelength of the emitted photon.The speed of light is 3 × 10^8 m/s and Planck’sconstant is 6.626 × 10^−34 J · s.Answer in units of nm. Find the frequency of the emitted photon.Answer in units of Hz.arrow_forward
- The energy of a certain photon traveling at the speed of light is 13.4 eV. A second photon has an energy of 26.8 eV. What is the speed of the higher-energy photon? * c/2 c 1.41c 2carrow_forwarda hydrogen atom in an excited state emits a photon of frequency v = 3.199 x 10^15 s^-1. if the electron returns to the ground state, in which level was it before the photon was emittedarrow_forwardThe two nuclei in the carbon monoxide (CO) molecules are 0.1128 nm apart. The mass of the carbon atom is 1.993x10-26 kg. The mass of the oxygen atom is 2.656x10-26 kg.What is the wavelength of the photon emitted in the transition from first excited state to the ground state? (Give your answer in mm.)arrow_forward
- What is the energy of a photon with a frequency of 7.4*10^15 Hz? An electron emits a photon by undergoing an energy transition of 2.84*10^-19 J. What is the wavelength of this photon.arrow_forwardA photon emitted as a hydrogen atom undergoes a transition from the n = 7 state to the n = 2 state. The energy of the ground state is 13.6 eV. Find the wavelength of the emitted photon. The speed of light is 3 × 108 m/s and Planck’s constant is 6.626 × 10−34 J · s. Answer in units of nm. Find the frequency of the emitted photon. Answer in units of Hzarrow_forward(PART 1)photon emitted as a hydrogen atom under goes a transition from the n = 3 state to then = 2 state.Find the energy of the emitted photon. The energy of the ground state is 13.6 eV. Answer in units of eV. (PART 2)Find the wavelength of the emitted photon.The speed of light is 3 × 108 m/s and Planck’sconstant is 6.626 × 10−34 J · s.Answer in units of nm.arrow_forward
- The two nuclei in the carbon monoxide (CO) molecules are 0.1128 nm apart. The mass of the carbon atom is 1.993x10-26 kg. The mass of the oxygen atom is 2.656x10-26 kg.What is the wavelength of the photon emitted in the transition from first excited state to the ground state? (Give your answer in mm.) [answer is not 1.291]arrow_forwardElectromagnetic radiation with a wavelength of 575nm appears as yellow light to the human eye. The energy of one photon of this light is 3.46x10-19 J. Thus, a laser that emits 1.3 x 10-2 J of energy in a pulse of light at his wavelength produces ________ photons in each pulse. 2.2 x 1019 7.8 x 10-24 2.7 x 10 -17 3.8 x 1016 6.5 x 1013arrow_forwardAssuming that the Sun is a blackbody with a temperature of 6,000 K, at what wavelength does it radiate the most energy? [4.8 x 10‐7 m]arrow_forward
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