Inquiry into Physics
8th Edition
ISBN: 9781337515863
Author: Ostdiek
Publisher: Cengage
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Chapter 10, Problem 5Q
To determine
Assumptions made by the Planck’s to account for the features of blackbody
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Chapter 10 Solutions
Inquiry into Physics
Ch. 10 - Prob. 1SACh. 10 - Prob. 1OACh. 10 - Prob. 1PIPCh. 10 - Prob. 1MIOCh. 10 - Prob. 2MIOCh. 10 - Prob. 1QCh. 10 - Prob. 2QCh. 10 - Prob. 3QCh. 10 - Prob. 4QCh. 10 - Prob. 5Q
Ch. 10 - Prob. 6QCh. 10 - Prob. 7QCh. 10 - Prob. 8QCh. 10 - Prob. 9QCh. 10 - Prob. 10QCh. 10 - Prob. 11QCh. 10 - (Indicates a review question, which means it...Ch. 10 - Prob. 13QCh. 10 - Prob. 14QCh. 10 - (Indicates a review question, which means it...Ch. 10 - Prob. 16QCh. 10 - Prob. 17QCh. 10 - Prob. 18QCh. 10 - Prob. 19QCh. 10 - Prob. 20QCh. 10 - Prob. 21QCh. 10 - Prob. 22QCh. 10 - Prob. 23QCh. 10 - Prob. 24QCh. 10 - Prob. 25QCh. 10 - Prob. 26QCh. 10 - Prob. 27QCh. 10 - Prob. 28QCh. 10 - Prob. 29QCh. 10 - Prob. 30QCh. 10 - Prob. 31QCh. 10 - Prob. 32QCh. 10 - Prob. 33QCh. 10 - Prob. 34QCh. 10 - Prob. 35QCh. 10 - Prob. 36QCh. 10 - Prob. 37QCh. 10 - Prob. 38QCh. 10 - Prob. 39QCh. 10 - Prob. 40QCh. 10 - Prob. 41QCh. 10 - Prob. 42QCh. 10 - Prob. 1PCh. 10 - Prob. 2PCh. 10 - Prob. 3PCh. 10 - Prob. 4PCh. 10 - Prob. 5PCh. 10 - Prob. 6PCh. 10 - Prob. 7PCh. 10 - Prob. 8PCh. 10 - Prob. 9PCh. 10 - Prob. 10PCh. 10 - Prob. 11PCh. 10 - Prob. 12PCh. 10 - . Figure 10.47 is the energy-level diagram for a...Ch. 10 - Prob. 14PCh. 10 - Prob. 15PCh. 10 - Prob. 16PCh. 10 - Prob. 17PCh. 10 - Prob. 18PCh. 10 - Prob. 19PCh. 10 - Prob. 20PCh. 10 - Prob. 21PCh. 10 - Prob. 22PCh. 10 - Prob. 23PCh. 10 - Prob. 1CCh. 10 - Prob. 2CCh. 10 - The rate at which solar wind particles enter the...Ch. 10 - Prob. 4CCh. 10 - Prob. 5CCh. 10 - Prob. 6C
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- (b) Derive Rutherford scattering formula of alpha radiations from a gold foil on the basis of nuclear model of atom. Why did planetary model of atom fail? (c) What are the short comes in Rayleigh formula for the explanation of energy distribution in blackbody radiations? Derive Planck's radiation formula from Rayleigh formula and express it in terms of wavelength. Q#3 (a) Work function of the Aluminum is 4.08 eV. I. What is the threshold frequency required to produce photoelectrons from aluminum? II. Classify electromagnetic radiations that can produce photoelectrons. III. If light of frequency 4 x 1015 Hz is used to illuminate a piece of aluminum, then what is the maximum energy and speed of emitted photoelectrons? IV. If the light described in part (ii) is increased by a factor of 2 in intensity, what would happen to the maximum kinetic energy of photoelectrons? f200 V What is the dearrow_forward6.133 Blackbody radiation is the term used to describe thedependence of the radiation energy emitted by an objecton wavelength at a certain temperature. Planck proposed the quantum theory to account for the dependence.Shown in the figure is a plot of the radiation energyemitted by our sun versus wavelength. This curve ischaracteristic of objects at about 6000 K, which is thetemperature at the surface of the sun. At a highertemperature, the curve has a similar shape but themaximum will shift to a shorter wavelength. (a) Whatdoes this curve reveal about two consequences ofgreat biological significance on Earth? (b) How areastronomers able to determine the temperature at thesurface of stars in general?arrow_forwardHow do you illustrate graphically the value of Planck’s constant using the Einstein’s photoelectric equation, and from the concept of stopping potential? DescriptionsThe topics of the question are discussed satisfactorily withsuitable expressions, figures, and appropriate illustrationswith high accuracy & clarity.arrow_forward
- Pls help ASAP.arrow_forwardThe total power per unit area radiated by a black body at a temperature Tis the area under the I(A,T')-versus-A curve as shown in Figure S9.3. (a) Show that this power per unit area is | 1(1,T) da = oT* where I(A,T') is given by Planck's radiation law and o is a constant independent of T. This result is known as Stefan's law. (See Section 19.6.) To carry out the integration, you should make the change of variable x= hc/Ak,Tand use " x* dx _ m* 15 (b) Show that the Stefan-Boltzmann constant o has the value = 5.67 x 10-8 W/m? - K 15carrow_forwardNeeds Complete solution with 100 % accuracy. Don't use chat gpt or ai i definitely upvote you.arrow_forward
- The cosmic background radiation is blackbody radiation from a source at a temperature of 2.73 K. (a) Use Wien’s law to determine the wavelength at which this radiation has its maximum intensity. (b) In what part of theelectromagnetic spectrum is the peak of the distribution?arrow_forward2.2 Statistical Mechanicsarrow_forwardA) Accelerate electrons in an electron microscope with 40 kV. What is the smallest distancebetween teorical observed matter?b) calculate the de Broglie wavelength for an electron move with 10^7 m/s velocity. What isthe de Broglie wavelength for a stone with 50 gr mass act with 40 m/s velocity (?).? whichone of the b section’s option is observed with wave nature diffraction techniques? Why?arrow_forward
- A blackbody is an object with a radiation spectrum that is dependent solely on its tempera- ture. A blackbody spectrum (or spectral radiancy curve) is described by the Planck Radiation Law. (a) i. Sketch the spectral radiancy curves for blackbodies with temperatures of T = 4000 K and T = 6000 K, respectively. Describe the main differences between the two curves in terms of the appropriate physical laws defined as a function of tempera- ture. ii. What is the wavelength at peak intensity for each blackbody? State the part of the electromagnetic spectrum to which each wavelength belongs. (b) Use the Planck Radiation Law to determine the power radiated per unit area between the wavelengths A 500 nanometres and λ = 503 nanometres for the T 6000 K blackbody. What fraction of the blackbody's radiancy lies in this wavelength range? =arrow_forwardQuick response will be upvoted.arrow_forwardThe energy emitted by a black body's surface per unit area at a particul ar wavelength can be calcul ated using Planck's Radiation Law, which can be written as follows, 2nhc? E(2, T) = 25. (ehc/kT -1) where his Planck's constant 6.626 x 10-27 erg.s, c is the speed oflight, kis the Boltzmann constant = 1.38 x 10-18 erg/K, Tis the temperature in Kelvins and A is the wavelength in um. If E is given in erg/um?, what are the units of the constant 2n, given that the equation is valid and therefore dimensionally homogenous? If the speed of light is 3.00x10$ m/s, what value and unit should be used for c in this equation to maintain dimensional homogeneity? Note: erg is a unit of energy equal to 10-7 Joules and the whole expression (ehc/AkT – 1) ends up dimensionless. -arrow_forward
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