Physics for Scientists and Engineers With Modern Physics
9th Edition
ISBN: 9781133953982
Author: SERWAY, Raymond A./
Publisher: Cengage Learning
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 43, Problem 45P
To determine
The shortest laser wavelength required to warm the sample inside the instrument.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Question A7
The intensity of the emitted radiation by a star is at a maximum at a wavelength of 78.9 nm.
a) Calculate the surface temperature of the star.
b) Calculate the ratio of the intensity radiated at 65.0 nm to the maximum intensity.
Assume that the star radiates like an ideal blackbody.
The emissivity of the human skin is 97.0
percent. Use 35.0 °C for the skin temperature
and approximate the human body by a
rectangular block with a height of 1.76 m, a
width of 43.5 cm and a length of 22.0 cm.
Calculate the power emitted by the human
body.
2301 J
units. No
What is the wavelength of the peak in the
spectral distribution for this temperature?
Fortunately our environment radiates too. The
human body absorbs this radiation with an
absorbance of 97.0 percent, so we don't lose
our internal energy so quickly. How much
power do we absorb when we are in a room
where the temperature is 23.0 °C?
How much energy does our body lose in one
second?
1. Determine numerically the mean value of the photon occupation number for sunlight at
wavelengths of 0.5, 1.0, 10, and 100 µm. Assume the sun is a blackbody emitter of
temperature 5800 K. For the same wavelengths, determine the mean value of the photon
occupation number for a room-temperature blackbody.
Chapter 43 Solutions
Physics for Scientists and Engineers With Modern Physics
Ch. 43.1 - For each of the following atoms or molecules,...Ch. 43.2 - Prob. 43.2QQCh. 43.2 - Prob. 43.3QQCh. 43 - Prob. 1OQCh. 43 - Prob. 2OQCh. 43 - Prob. 3OQCh. 43 - Prob. 4OQCh. 43 - Prob. 5OQCh. 43 - Prob. 6OQCh. 43 - Prob. 7OQ
Ch. 43 - Prob. 1CQCh. 43 - Prob. 2CQCh. 43 - Prob. 3CQCh. 43 - Prob. 4CQCh. 43 - Prob. 5CQCh. 43 - Prob. 6CQCh. 43 - Prob. 7CQCh. 43 - Prob. 8CQCh. 43 - Discuss models for the different types of bonds...Ch. 43 - Prob. 10CQCh. 43 - Prob. 1PCh. 43 - Prob. 2PCh. 43 - Prob. 3PCh. 43 - Prob. 4PCh. 43 - Prob. 5PCh. 43 - Prob. 6PCh. 43 - Prob. 7PCh. 43 - Prob. 8PCh. 43 - Prob. 9PCh. 43 - Prob. 10PCh. 43 - Prob. 12PCh. 43 - Prob. 13PCh. 43 - Prob. 14PCh. 43 - Prob. 15PCh. 43 - Prob. 16PCh. 43 - The nuclei of the O2 molecule are separated by a...Ch. 43 - Prob. 18PCh. 43 - Prob. 19PCh. 43 - Prob. 20PCh. 43 - Prob. 21PCh. 43 - Prob. 22PCh. 43 - Prob. 23PCh. 43 - Prob. 24PCh. 43 - Prob. 25PCh. 43 - Prob. 27PCh. 43 - Prob. 28PCh. 43 - Prob. 29PCh. 43 - Prob. 30PCh. 43 - Prob. 31PCh. 43 - Prob. 32PCh. 43 - Prob. 33PCh. 43 - Prob. 34PCh. 43 - Prob. 35PCh. 43 - Prob. 36PCh. 43 - Prob. 37PCh. 43 - Prob. 38PCh. 43 - Prob. 39PCh. 43 - Prob. 40PCh. 43 - Prob. 41PCh. 43 - Prob. 42PCh. 43 - Prob. 43PCh. 43 - Prob. 44PCh. 43 - Prob. 45PCh. 43 - Prob. 46PCh. 43 - Prob. 47PCh. 43 - Prob. 49PCh. 43 - Prob. 50PCh. 43 - Prob. 51PCh. 43 - A direct and relatively simple demonstration of...Ch. 43 - Prob. 53PCh. 43 - Prob. 54APCh. 43 - Prob. 55APCh. 43 - Prob. 56APCh. 43 - Prob. 57APCh. 43 - Prob. 58APCh. 43 - Prob. 59APCh. 43 - Prob. 61APCh. 43 - Prob. 62APCh. 43 - Prob. 63CPCh. 43 - As an alternative to Equation 43.1, another useful...
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
- Q2. Transistors are manufactured by doping semiconductors. The diffusion coefficient of phosphorus in Si is D = 6.5 x 10-11 mm2/s at a temperature of 950°C. Assume the source provides a surface concentration of 1020 atoms/cm3 and the diffusion time is one hour. Assume that the silicon wafer initially contains no phosphorus. Calculate the depth at which the concentration of phosphorus will be 1018 atoms/cm3.arrow_forwardPart A The figure (Figure 1)shows the probability density for an electron that has passed through an experimental apparatus. If 0.700 ×106 electrons are used, what is the expected number that will land in a 8.00x10-3-mm-wide strip at x = 0.000 mm? ΑΣφ Submit Request Answer Part B a = 2.000 mm? Figure 1 of 1 Submit Request Answer P(x) = |L(x)|² (mm¬') Provide Feedback 0.333 x (mm) 3 -3 -2 -1 0 1 2arrow_forwardAnswer the following. (a) What is the surface temperature of Betelgeuse, a red giant star in the constellation of Orion, which radiates with a peak wavelength of about 970 nm? K(b) Rigel, a bluish-white star in Orion, radiates with a peak wavelength of 145 nm. Find the temperature of Rigel's surface. Karrow_forward
- Assume that most of the electromagnetic energy from the sun is in the visible region near 500 nm. Calculate the maximum value of the work function for a metal to be used in photovoltaic cells to convert solar energy into electricity. Then identify which of the following metals could be used in such a capacity. The maximum value is: ___ J The following metals could be used in the photovoltaic cell described above (mark all that could be used): silicon (Φ = 7.24 × 10–19 J)titanium (Φ = 6.94 × 10–19 J)barium (Φ = 4.29 × 10–19 J)tungsten (Φ = 7.20 × 10–19 J)silver (Φ = 7.59 × 10–19 J)arrow_forwardComplex Physics Questionarrow_forwardThe thermal (black-body) radiation from a star peaks at a wavelength of 300 nm. What is the surface temperature of the star in K?arrow_forward
- with explination please ..arrow_forwardThe maximum intensity of radiation emitted by a star occurs at a surface temperature of 4.3 x 104 K. a) Calculate the wavelength of the emitted radiation when the intensity is maximum. b) Calculate the ratio of the intensity radiated at a wavelength of 60.0 nm to the maximum intensity. Assume that the star radiates like an ideal blackbody.arrow_forwardThe energy-level diagram for the atomic emission spectra of an unknown gas is presented in the diagram below. n = 4 4.0 ev n = 3 1.8 eV n = 2 1.5 ev n=1 O ev Part A Initially, electrons are only in the ground state (n=1). A beam of red light hits the gas. This beam is a continuous spectrum of red light (from 620 nm to 750 nm) How many absorption line/s will there be in the spectra? 1 Correct Part B Initially, electrons are only in the ground state (n=1). A beam of red light hits the gas. This beam is a continuous spectrum of red light (from 620 nm to 750 nm) Calculate the wavelength of the absorption line ? da = nm Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remainingarrow_forward
- Q°: The line width of a helium-neon laser is 10° Hz. The operating wavelength is 632.8 mm and the power is 1mW. a. How many photons are emitted per second? b. If the output beam is Imm in diameter, at what temperature would a blackbody have to be in order to emit the same number of photon from an equal area and over the same frequency interval as the laser?arrow_forwardThe emissivity of the human skin is 97.0 percent. Use 35.0 °C for the skin temperature and approximate the human body by a rectangular block with a height of 1.77 m, a width of 33.0 cm and a length of 29.5 cm. 1. Calculate the power emitted by the human body. 2. What is the wavelength of the peak in the spectral distribution for this temperature? 3. Fortunately our environment radiates too. The human body absorbs this radiation with an absorbance of 97.0 percent, so we don't lose our internal energy so quickly. How much power do we absorb when we are in a room where the temperature is 26.0 °C? 4. How much energy does our body lose in one second? Please answer all four partsarrow_forward1a. Calculate the speed that a gas-phase nitrogen molecule, N2, would have if it had the same energy as an infrared photon (λ = 3.33 mm), a visible photon (λ = 630. nm), an ultraviolet photon (λ = 250. nm), and an X-ray photon (λ = 0.100 nm). b. What temperature would the gas have if it had the same energy as each one of the photons described in part (a)? Use the root mean square speed for this calculation.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Modern PhysicsPhysicsISBN:9781111794378Author:Raymond A. Serway, Clement J. Moses, Curt A. MoyerPublisher:Cengage Learning
Physics for Scientists and Engineers with Modern ...PhysicsISBN:9781337553292Author:Raymond A. Serway, John W. JewettPublisher:Cengage Learning
Principles of Physics: A Calculus-Based TextPhysicsISBN:9781133104261Author:Raymond A. Serway, John W. JewettPublisher:Cengage Learning
Modern Physics
Physics
ISBN:9781111794378
Author:Raymond A. Serway, Clement J. Moses, Curt A. Moyer
Publisher:Cengage Learning
Physics for Scientists and Engineers with Modern ...
Physics
ISBN:9781337553292
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
Principles of Physics: A Calculus-Based Text
Physics
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning