Plot a graph showing the variation of stopping potential with the frequency of incident radiation for two different photosensitive materials having work functions W1 and W2 (W1 > W2). On what factors does the (i) slope and (ii) intercept of the lines depend?

Plot a graph showing the variation of stopping potential with the frequency of incident radiation for two different photosensitive materials having work functions W1 and W2 (W1 > W2). On what factors does the (i) slope and (ii) intercept of the lines depend?

University Physics Volume 3

17th Edition

ISBN:9781938168185

Author:William Moebs, Jeff Sanny

Publisher:William Moebs, Jeff Sanny

Chapter6: Photons And Matter Waves

Section: Chapter Questions

Problem 136AP: (a) Calculate the number of photoelectrons per second that are ejected from a 1.00-mm2 area of...

See similar textbooks

Related questions

Q: (b) What is the surface temperature of the star? 4274.3 X K (c) At what rate is energy emitted from…

A: b) The star’s surface temperature can be determined by Wein’s displacement law as, Here, T, b, and…

Q: Estimate the power radiated by (a) a basketball at 20°C and (b) the human body (assume a temperature…

Q: Q: The velocity of electrons will change when they collide with ions, therefore, the probability per…

A: In this question we have to find the probability per unit time of the electrons. Please give…

Q: To a good approximation, the sun’s surface is a blackbody with a surface temperature of 5300 K. (a)…

A: part (a) solution:

Q: (a) What is the ratio of power outputs by two microwave ovens having frequencies of 950 and 2560…

A: The equation for the energy in terms of the frequency can be given as Therefore, the ration of the…

Q: Which correctly describes the application of the photoelectric effect on the operation of…

A: Energy of a wave is given by:- Ew = hv Where; v= frequency of wave. According to Einstein…

Q: (iii) If radiation of a particular wave length, A, is allowed to expand adiabatically, then how it…

A: The wavelength of the radiation = lambda Temperature = T by thermodynamics , the first law of…

Q: The Sun has a temperature of approximately 5800 K. a) What is the peak wavelength of light emitted…

A: Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: Show that the most probable speed of the Maxwell-Boltzmann distribution of molecular speeds is given…

A: To show that, the most probable speed of the Maxwell-Boltzmann distribution of molecular speed is…

Q: Calculate the percentage efficiency of a solar PV module whose length is 136 cm and width is 106 cm…

A: Area of solar panel = 1.36×1.06 m2 =1.4416 m2 Total solar energy received = 1115×1.4416 =…

Q: FIGURE 27-1 Stopping 4 potential (volts) 1 0. 10 20 30 40 50 60 70 (x 1013 Hz) -1 -2 The graph shown…

Q: (a) If the power output of a 650-kHz radio station is 50.0 kW, how many photons per second are…

A: Power, P = 50 kW = 50000 W frequency, f = 650 kHz = 650 x 1000 Hz Plank's constant, h = 6.63 x…

Q: The filament of a light bulb is cylindrical with length I = 20 mm and radius r = 0.05 mm. The…

Q: What does the Wien Displacement Law (also known as Wien's Law) tell us? a) There is an inverse…

Q: The power radiated by a black body in P and it radiated maximum energy at wavelength, Ao . If the…

Q: Q: The line width of a helium-neon laser is 10° Hz. The operating wavelength is 632.8 mm and the…

Q: Calculate the percentage efficiency of a solar PV module whose length is 137 cm and width is 107 cm…

Q: At what wavelength will the human body radiate the maximum radiation? (a) Estimate the total power…

Q: A large cavity that has a very small hole and is maintained at a temperature T is a good…

A: temperature (T) = 400oC = 400+ 273 k = 673 k Area (A) = 6 mm2= 6×10-6 m2Energy (E) = 300 J

Q: From the Gaussian error curve, what is the probability that a result From population lies between +o…

A: area under -σ and +σ is 68.3%then area under 0 and +σ would be 68.32 = 34.15%also, area under -2σ…

Q: The intensity of blackbody radiation peaks at a wavelength of 613 nm. (a) what is the temperature…

A: Given The blackbody radiation peaks at the wavelength λm=613 nm=613×10-9 m Formula To solve the…

Q: 1)A missile protection system consists of n radar sets operating independently, each with…

Q: PROBLEM Using equation 4.20 show that the total number of photons per unit volume of an enclosure at…

A: We have to prove the following total number of Photons per unit volume of an enclosure at…

Q: If a number of little droplets of water of surface tension T , all of the same radius r, cobmine to…

A: Given:Little water droplet have surface tension T and radius ‘r’.Radius of the bigger drop = R

Q: The temperature of the filament of an incandescent lightbulb is 2500 K. Assuming the filament to be…

A: It is given that, The visible range of electromagnetic spectrum extends from 0.4 micro meter to…

Q: Sketch a plot of the current I versus voltage V across an ideal photocell when visible light is…

A: Given:Sketch a plot of the current I versus voltage V across an ideal photocell when visible light…

Q: Problem 4: a. For Compton scattering, what photon scattering angle provides the maximum possible…

A: Given, A Compton scattering gives max K.E to electron To find photon scattering angle, K.E value…

Q: (x) A system of two energy levels E,and E, is populated by N particles at temperature T. The…

Q: This problem is about how strongly matter is coupled to radiation, the subject with which quantum…

A: According to company policy, only first three subparts will be answered here. Please post the rest…

Q: Part A: If X=2.44 micrometers, what is the surface temperature of object A? Enter the numerical…

A: (a) From the graph, the maximum intensity of radiation from object A occurs at X. λpeak=X Here,…

Q: Answer the following. (a) What is the surface temperature of Betelgeuse, a red giant star in the…

A: A red giant star radiates the wavelength,

Q: In the photoelectric effect, explain why the stopping potential depends on the frequency of the…

A: Stopping potential is defined as the minimum potential necessary to stop any electron from reaching…

Q: Does a beam of infrared photons always have lessenergy than a beam of ultraviolet photons?…

A: To explain: Whether a beam of infrared photons always have less energy than a beam of ultraviolet…

Q: Derive a relation for Joule – Thomson coefficient for a gas whose equation of state is а (P+2) V =…

A: Joule-Thomson coefficient (μJT) be defined as, μJT=TCP∂V∂TP-V ............1

Q: Consider two large parallel surfaces. The one on the left is at T1 = 298 K and has emissivity e =1.0…

Q: Two radiations of photons energies 1 eV and 2.5 eV, successively illuminate a photosensitive…

Q: The sun approximates an ideal blackbody radiator at a temperature of 5825K. (a) By Wien’s Law,…

A: Given: Temperature 'T' = 5825 K The sun approximates an ideal blackbody radiator.

Q: A large cavity that has a very small hole and is maintained at a temperature T is a good…

Q: B) A photodiode has a quantum efficiency of 65% when photon of energyl.5* 10ºJ are incident upon it.…

Q: Calculate the sabins of absorption at 1000 Hz in a room that has dimensions of 11.00m wide x 15.00m…

A: in this question we calculate sabin by using a = S α a = sabin S = surface area of cube α =…

Q: A blackbody’s temperature is increased from 900 K to 2300 K. By what factor does the total power…

A: Let us suppose a blackbody’s temperature is increased from (T1) to (T2) in kelvin. T1=900 K ----(1)…

Q: 7.9 For this hypothetical velocity distribution in a wide rectan- gular channel, evaluate the…

Q: A large cavity that has a very small hole and is maintained at a temperature Tis a good…

A: A blackbody is the type of material that absorbs all the incident electromagnetic radiation. It also…

Question

(i) slope and

(ii) intercept of the lines depend?

Video Video

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step 3

VIEW

Step by step

Solved in 3 steps with 1 images

SEE SOLUTION Check out a sample Q&A here

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

Sketch the graph showing variation of stopping potential with frequency of incident radiations for two photosensitive materials A and B having threshold frequencies vA > vB. (i) In which case is the stopping potential more and why? (ii) Does the slope of the graph depend on the nature of the material used? Explain.
An infrared satellite measures outgoing radiation that leaves Earth's surface through an atmospheric window. The observed spectral irradiance at a wavelength of 10 μm is 2.199×107 W m-2 m-1. What is the temperature of the surface? Give your answer in K.
Question #1 a) Plot the energy spectral density p(2) of black-body radiation at T=3000 K and at 7= 5000 K. (These correspond to the apparent temperatures of "warm white" and "cool white" light bulbs.) (Note: Show both curves on a single graph, using a standard plotting software. Report the wave- length in nanometers.) b) For each of these two temperatures, at which wavelength is the radiation intensity maximum? (Note: Report the wavelengths in nanometers. Your answers should be consistent with the curves from part a), of course.)
Estimate the total energy loss by radiation if a person’s head is uncovered for 13.3 min on a very cold, −15.0°C day, assuming he is bald, his skin temperature is 35.0°C, and that skin has an emissivity (in the infrared) of 97.0%. Assume that the man’s head is spherical, with a radius of 10.0 cm. The Stefan–Boltzmann constant is 5.670 × 10−8 W/ (m2·K4).
The intensity of blackbody radiation peaks at a wavelength of 583 nm. (a) What is the temperature (in K) of the radiation source? (Give your answer to at least 3 significant figures.) K (b) Determine the power radiated per unit area (in W/m2) of the radiation source at this temperature. Review Stefan's law. What is the emissivity of a blackbody? W/m2
The paint used to make lines on roads must reflęct enough light to be clearly visible at night. Let µ denote the true average reflectometer reading for a new type of paint under consideration. A test of Ho: H = 20 versus H: u > 20 will be based on a random sample of size n from a normal population distribution. What conclusion is appropriate in each of the following situations? (Round your P- values to three decimal places.) A USE SALT (a) n = 19, t = 3.1, a = 0.05 P-value = State the conclusion in the problem context. O Reject the null hypothesis. There is sufficient evidence to conclude that the new paint has a reflectometer reading higher than 20. Do not reject the null hypothesis. There is not sufficient evidence to conclude that the new paint has a reflectometer reading higher than 20. O Reject the null hypothesis. There is not sufficient evidence to conclude that the new paint has a reflectometer reading higher than 20. Do not reject the null hypothesis. There is sufficient…
Assume the intensity of solar radiation incident on the cloud tops of the Earth is 1 677 W/m². (a) Taking the average Earth-Sun separation to be 1.496 x 10¹1 m, calculate the total power radiated by the Sun. 4.905E26 x Your response is within 10% of the correct value. This may be due to roundoff error, or you could have a mistake in your calculation. Carry out all intermediate results to at least four-digit accuracy to minimize roundoff error. W (b) Determine the maximum value of the electric field in the sunlight at the Earth's location. kv/m (c) Determine the maximum value of the magnetic field in the sunlight at the Earth's location. μT
QUESTION1: Stefan-Boltzman law can be used to estimate H emitted from a surface where H = AeoT, where H = surface area (m2) in units of watts, e = diffusivity characterizing the spreading properties of the surface, o = a universal constant called the Stefan-Boltzman constant. (-5.67x108 W m?K4) and T = absolute temperature (K). a) Determine the error of the radiation H of a steel sphere surface with radius = 0.15 + 0.02 m, e 0.90+ 0.05 and T = 550 ± 25 K. Compare your results with the exact error. Calculations b) radius = 0.15 0.01 m, e 0.90 +0.025 Repeat for T = 550 12.5 K. and Interpret your results.
identify 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?
At zero temperature, Nb3Sn has the critical fields Bel = = 26 mT and B2 = 29 T. Determine the coherence length (§), penetration depth (X), Ginzburg-Landau parameter (k), and thermodynamic critical field (B₂).
Answer 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. K
Answer 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. K