Inquiry into Physics
8th Edition
ISBN: 9781337515863
Author: Ostdiek
Publisher: Cengage
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 8, Problem 30Q
To determine
The difference in appearance of the light from bulbs with color temperatures of 2,000K and 4000K.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
An 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.
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.
A particular blackbody has a radiation spectrum that peaks at a wavelength of 660 nm.
Part (a) What is the temperature of the blackbody in units of Kelvin?
Part (b) If the temperature of a blackbody is 4300 K, at what wavelength, in units of nanometers, does it radiate the most energy?
Chapter 8 Solutions
Inquiry into Physics
Ch. 8 - Give two lessons that may be learned from the...Ch. 8 - Prob. 1AACh. 8 - Prob. 2AACh. 8 - Prob. 1PIPCh. 8 - Prob. 2PIPCh. 8 - Prob. 1MIOCh. 8 - Prob. 2MIOCh. 8 - Prob. 1QCh. 8 - Prob. 2QCh. 8 - (Indicates a review question, which means it...
Ch. 8 - Prob. 4QCh. 8 - (Indicates a review question, which means it...Ch. 8 - Prob. 6QCh. 8 - Prob. 7QCh. 8 - Prob. 8QCh. 8 - Prob. 9QCh. 8 - Prob. 10QCh. 8 - Prob. 11QCh. 8 - Prob. 12QCh. 8 - Prob. 13QCh. 8 - Prob. 14QCh. 8 - Prob. 15QCh. 8 - Prob. 16QCh. 8 - (Indicates a review question, which means it...Ch. 8 - (Indicates a review question, which means it...Ch. 8 - Prob. 19QCh. 8 - (Indicates a review question, which means it...Ch. 8 - Prob. 21QCh. 8 - Prob. 22QCh. 8 - (Indicates a review question, which means it...Ch. 8 - Prob. 24QCh. 8 - Prob. 25QCh. 8 - Prob. 26QCh. 8 - Prob. 27QCh. 8 - Prob. 28QCh. 8 - Prob. 29QCh. 8 - Prob. 30QCh. 8 - Prob. 31QCh. 8 - Prob. 32QCh. 8 - Prob. 33QCh. 8 - Prob. 34QCh. 8 - Prob. 35QCh. 8 - Prob. 36QCh. 8 - Prob. 37QCh. 8 - Prob. 38QCh. 8 - The charger cord used to recharge a cell phone...Ch. 8 - The generator at a power plant produces AC at...Ch. 8 - Compute the wavelength of the carrier wave of your...Ch. 8 - What is the wavelength of the 60,000-Hz radio wave...Ch. 8 - Compute the frequency of an EM wave with a...Ch. 8 - Prob. 6PCh. 8 - Determine the range of wavelengths in the UV...Ch. 8 - A piece of iron is heated with a torch to a...Ch. 8 - The filament of a light bulb goes from a...Ch. 8 - Prob. 10PCh. 8 - Prob. 11PCh. 8 - Prob. 12PCh. 8 - Prob. 13PCh. 8 - Prob. 14PCh. 8 - Prob. 15PCh. 8 - Prob. 16PCh. 8 - Earth’s magnetic field lines are not parallel to...Ch. 8 - A cyclometer is a device mounted on a bicycle that...Ch. 8 - Prob. 3CCh. 8 - The right-hand rule is a way to determine the...Ch. 8 - Prob. 5CCh. 8 - If a coil of wire is connected to a very sensitive...Ch. 8 - Prob. 7CCh. 8 - Prob. 8CCh. 8 - Prob. 9CCh. 8 - Prob. 10CCh. 8 - Prob. 11C
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
- (Indicates a review question, which means it requires only a basic understanding of the material to answer. Questions without this designation typically involve integrating or extending the concepts presented thus far.) Why are the Doppler effect and diffraction not as commonly experienced with light as they are with sound?arrow_forward(Indicates a review question, which means it requires only a basic understanding of the material to answer. Questions without this designation typically require integrating or extending the concepts presented thus far.) . If a horseshoe is heated in a blacksmith’s furnace until it glows red hot, does the mass of the horseshoe change? If a spring is stretched to twice its equilibrium length, has its mass been altered in the process? If so, explain how and why in each case.arrow_forwarda) Problem 9.6 of Textbook: If the spot size at the mirror of a helium-neon laser is 0.5mm, what is the length of the laser cavity? The cavity is of the confocal-type and the wavelength is 633nm. b) For a semiconductor laser diode, the output power is 2mW and 4.5mW when the diode drive (injected) current is 50mA and 55mA, respectively. What is the threshold current (ith) of this laser diode? 4.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_forwardidentify the knowns, unknown(s), appropriate formula(s) then computation 1. a). The wavelength of maximum solar emission is observed to be approximately 0.475μm. What is the surface temperature of the sun (assumed as blackbody)? (b) The temperature of the human body when having a high fever is 40 deg C. The intensity of radiation emitted by the human body is maximum at what wavelength? (c) The Cosmic Microwave Background radiation (CMB) fills the universe. If temperature of the space is 2.7 K, then CMB attains intensity maxima at what wavelength?arrow_forward
- 1.2) In a region of gas where the optical depth is 2.0, what percentage of photons can escape without being scattered or absorbed?arrow_forwardA 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. Would I still use the formula E=hf or do I need to go a different route?arrow_forwardWhy is infrared spectrophotometry a goodmethod for identifying a pure chemical substance,whereas UV-visible spectrophotometry is seldomused for this purpose?arrow_forward
- So I have my data but the problem I'm having is these two questions I'm not understanding what she's asking in these two questions.arrow_forwardThe spectrum of light from a star is, to a good approximation, a blackbody spectrum. The red supergiant star Betelgeuse has Amax = 760 nm. (Note that this is actually in the infrared portion of the spectrum.) When light from Betelgeuse reaches the earth, the measured intensity at the earth is 2.9 X 10-8 W/m². Betelgeuse is located 490 light years from earth. (a) Find the temperature of Betelgeuse. (b) Find the intensity of light emitted by Betelgeuse. (Hint: Remember that this and the measured intensity at the earth are related by an inverse square law.) (c) Find the radius of Betelgeuse. (Assume it is spherical.)arrow_forwardCould you please solve part 3 of this question: Now consider the electron in a material with a gap of 5 eV. Because of the gap, in order to increase the electron's momentum, the electric field must increase the electron's energy by 5 eV, which is impossible without applying ultraviolet light. In this case, what is the electron's velocity after 10-5 s in the electric field? https://www.bartleby.com/questions-and-answers/consider-an-electron-with-initial-velocity-1-ms-in-the-x-direction.-we-turn-on-an-electric-field-of-/e8d9dafc-d854-4bd1-9133-eda651d0c30aarrow_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
Modern Physics
Physics
ISBN:9781111794378
Author:Raymond A. Serway, Clement J. Moses, Curt A. Moyer
Publisher:Cengage Learning