An Introduction to Thermal Physics
1st Edition
ISBN: 9780201380279
Author: Daniel V. Schroeder
Publisher: Addison Wesley
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 7.4, Problem 43P
(a)
To determine
The total energy contained in the
(b)
To determine
The plot of the spectrum of radiation as a function of photon energy.
(c)
To determine
The fraction of the total energy is in the visible region of the spectrum.
Expert Solution & Answer
Trending nowThis is a popular solution!
Learn your wayIncludes step-by-step video
schedule04:05
Students have asked these similar questions
A photon has an energy of 1.9 meV (milli electron Volt). What is the wavelength of this photon, expressed in micrometers? Keep four significant digits.
And the answer is NOT 6.543
What is the energy of light with a wavelength of (2.50x10^2) nm? Answer to 3
significant figures in scientific notation. Unit is case sensitive.
Note: Your answer is assumed to be reduced to the highest power possible.
Your Answer:
Answer
x10
units
On a certain day, light is shining perpendicularly on the surface of the earth with an
intensity of 713 W/m². Assuming that all the photons in the light have the same
wavelength (in vacuum) of 733 nm, determine the number of photons per second per
square meter that reach the earth.
Enter your answer in scientific notation.
If your answer is 5.14 x 104, input 5.14e+4 as your answer.
Chapter 7 Solutions
An Introduction to Thermal Physics
Ch. 7.1 - Prob. 1PCh. 7.1 - Prob. 3PCh. 7.1 - Prob. 4PCh. 7.1 - Show that when a system is in thermal and...Ch. 7.1 - Prob. 7PCh. 7.2 - Prob. 8PCh. 7.2 - Prob. 9PCh. 7.2 - Prob. 11PCh. 7.2 - Prob. 12PCh. 7.2 - Prob. 13P
Ch. 7.2 - Prob. 14PCh. 7.2 - Prob. 15PCh. 7.2 - Prob. 16PCh. 7.2 - Prob. 17PCh. 7.2 - Prob. 18PCh. 7.3 - Prob. 19PCh. 7.3 - Prob. 20PCh. 7.3 - Prob. 21PCh. 7.3 - Prob. 22PCh. 7.3 - Prob. 24PCh. 7.3 - Prob. 25PCh. 7.3 - Prob. 26PCh. 7.3 - Prob. 29PCh. 7.3 - Prob. 32PCh. 7.3 - Prob. 33PCh. 7.3 - Prob. 34PCh. 7.4 - Prob. 37PCh. 7.4 - Prob. 38PCh. 7.4 - Prob. 39PCh. 7.4 - Prob. 40PCh. 7.4 - Prob. 41PCh. 7.4 - Prob. 42PCh. 7.4 - Prob. 43PCh. 7.4 - Prob. 44PCh. 7.4 - Prob. 45PCh. 7.4 - Prob. 46PCh. 7.4 - Prob. 47PCh. 7.4 - Prob. 48PCh. 7.4 - Prob. 49PCh. 7.4 - Prob. 50PCh. 7.4 - Prob. 51PCh. 7.4 - Prob. 52PCh. 7.4 - Prob. 53PCh. 7.4 - Prob. 54PCh. 7.4 - Prob. 55PCh. 7.4 - Prob. 56PCh. 7.5 - Prob. 57PCh. 7.5 - Prob. 58PCh. 7.5 - Prob. 59PCh. 7.5 - Prob. 60PCh. 7.5 - The heat capacity of liquid 4He below 0.6 K is...Ch. 7.5 - Prob. 62PCh. 7.5 - Prob. 63PCh. 7.5 - Prob. 64PCh. 7.6 - Prob. 65PCh. 7.6 - Prob. 66PCh. 7.6 - Prob. 67PCh. 7.6 - Prob. 68PCh. 7.6 - If you have a computer system that can do...Ch. 7.6 - Prob. 70PCh. 7.6 - Prob. 71PCh. 7.6 - Prob. 72PCh. 7.6 - Prob. 73PCh. 7.6 - Prob. 75P
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- A perfect black body has its surface temperature 27 cº Determine : Maximum radiation wavelength? Black body radiation intensity? The rate of energy released from 2m² Tungsten wire had its radiating surface area 8mm² and its temperature 2100K, considering that the wire is an ideal black body, Calculate the energy that the wire radiates in 10 minutes. Suppose the surface temperature of the Sun were about 12,000K, rather than 6000K. a. How much more thermal radiation would the Sun emit? b. What would happen to the Sun's wavelength of peak emission? c. Do you think it would still be possible to have life on Earth? Explain /A The energy radiated by a black body at 2300K is found to have the maximum at a wavelength 1260 nm, its emissive power being 8000W/m2. When the body is cooled to a temperature T K, the emissive power is found to decrease to 500W/m2. Find : (i) the temperature T k (ii) the wave length at which intensity of emission in maximum at the Te / Black body becomes yellow with λ…arrow_forwardAn atom has its electron in the energy level at - 1.2 eV. It absorbs a photon, which promotes the election to the -0.4 eV level. What is the wavelength (in meter) of this photon. Round off the answer to 2 decimal places with scientific representation.arrow_forwardQuantum Dot: Patent number 60-985-841 is for a quantum dot that only emits and absorbs three wavelengths of light. The quantum dot is engineered to have three different electron energy levels: E₁=0.60 eV, E₂ = 2.53 eV, and E3 = 4.15 eV. The quantum dot contains a electron. single What is the minimum wavelength of light will this quantum dot will absorb and emit? Report your result in nanometers (nm).arrow_forward
- Remember that photon (particle of light) has no mass, so according to energy- momentum relationship, E² = (mc²)² + (pc)², the photon energy (E) is related to its momentum (py) by E₁ = pyc. A particle of mass M initially at rest completely absorbs a photon, after which its mass is 1.02M. Hint a. What was the energy of the incoming photon? Give your answer in terms of M, c, and other numerical factors. Ex = b. What is the momentum that the resulting particle moves with? Give your answer in terms of M, c, and other numerical factors. Momentum of particle of mass 1.02M isarrow_forwardAs we have been slowly discovering more and more about the atoms we have encountered several different models of the atoms. All of these models have issues. One of the most common issues is the scale of the subatomic particles. Like the image below The proton in this model is too large. Given the following measurement, how many protons would need to set side-by-side to to equal the width of a hydrogen atom? The radius of a proton is 0.5636 fm (Femtometer). The diameter of a hydrogen atom is 7.5 Angstroms. must be written in Scientific noation.arrow_forwardCalculate the wavelength of a photon that has energy 2.83 × 10−19 Joules. Give your answer in units of nano metres. Hint: Planck’s constant h = 6.625 × 10−34 J s.arrow_forward
- (a) The blackbody radiation emitted from a furnace peaks at a wavelength of 4.5 10-6 m (0.0000045 m). What is the temperature inside the furnace? (in K) (b) The charger cord used to recharge a cell phone contains a transformer that reduces 120 V AC to 4 V AC. For each 1,400 turns in the input coil, how many turns are there in the output coil? (Round your answer to at least one decimal place.)arrow_forwardExplain why different elements produce different spectral absorption and emission lines. Calculate the wavelength of a photon that has an energy of 4.96 eV. (Hint: h*c {Planck's constant * the speed of light }= 1240 eV*nm;) What type of radiation/light (from the electromagnetic spectrum) is the photon from the previous question? Why is it that radio telescopes need to be so large or organized in arrays? this is all one question with different parts. Thank you.arrow_forwardAn astrophysicist measures the wavelength of gamma-ray emission from a supernova. The wavelength is ×2.60310−14m . What is the wavelength in femtometers? Write your answer as a decimal.arrow_forward
- The wavelength of a photon is 5.5 x10-7m. Calculate the frequency and the energy of the photon.arrow_forward5.2 A magnetic field of 1.5 Tesla was passed through a nucleus of a hydrogen atom, ¹H. Also a x- ray photon (f = 2 x 1019 Hz) was passed through the same atom. Hint: Planck's constant h = 6.626 x 10-34 Js (i) Compute the energy of a 2 x 1019 Hz x-ray photon? (ii) Calculate the energy of the photon that will be absorbed by a ¹H nucleus in a 1.5 Tesla magnetic field? (iii) Stipulate how the two energies compare, Ex/EH? 10 2 S Reset br ?,arrow_forwardThe figure at the right shows transitions between three states of a molecule (labeled E1, E2, and E3) that are observed through the emission and absorption of photons in a pair of experiments, A and B.1. Which transition is associated with the emission of the photon of the longest wavelength?a b c d e2. Which transition is associated with the absorption of the photon of the shortest wavelength?a b c d e 3. If a cold gas of these molecules was in the atmosphere of a star that was emitting a continuous spectrum, you would expect to see some dark lines across the continuous spectrum from that star. This is because the molecules in the atmosphere of the star absorb some of the light emitted by the star. Which frequencies would you expect to be significantly blocked by passing through the cold gas?a. (E2 - E1)/hb. (E3 E1)/hc. (E3 E2)/hd. None of them.a b c darrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Stars and Galaxies (MindTap Course List)PhysicsISBN:9781337399944Author:Michael A. SeedsPublisher:Cengage Learning
Foundations of Astronomy (MindTap Course List)PhysicsISBN:9781337399920Author:Michael A. Seeds, Dana BackmanPublisher:Cengage Learning
Stars and Galaxies (MindTap Course List)
Physics
ISBN:9781337399944
Author:Michael A. Seeds
Publisher:Cengage Learning
Foundations of Astronomy (MindTap Course List)
Physics
ISBN:9781337399920
Author:Michael A. Seeds, Dana Backman
Publisher:Cengage Learning