The temperature of the human body is 37 deg C. The intensity of radiation emitted by the human body is maximum at a wavelength?
Q: many It take a photon to travel from the Sun to ne Earth? min (b) What is the energy in ev of a…
A: a) As we know that The distance between the earth and sun is d = 1.5×108km…
Q: What is the wavelength of the photon with energy E = 3.1 × 10-16 J. Use the unit of nm for the…
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Q: Wavelength corresponding to máximum radiation is 16 microns. Find the energy temperature of the…
A: Given: λ=16μm, b=2.898×10-3m°K The temperature of the moon can be found by using Wein's law :…
Q: The intensity of the sunlight reaching the Earth's surface is 1268 W/m2 and the average wavelength…
A: Given:- The intensity of the sunlight reaching the Earth's surface is 1268 W/m2 and the average…
Q: The energy flux of sunlight reaching the surface of the earth is 1.388 x 10° W/m?. How many photons…
A: The concept behind this is the dual nature of radiation and matter. We have been provided with…
Q: A photon has a frequency of 9.00 x10-14 s-1. What is the wavelength? Is the photon visible?
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Q: Radiations are emitted by a blackbody at 1232 ℃ peaking at wavelength of 5032 Å. Find the wavelength…
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Q: What is the frequency of a photon having energy 2.1 X 10-30 MJ?
A: E = 2.1 X 10-30+6 JFrequency, v = ?We know, Energy = hv, where h is the Planck’s ConstantTherefore,…
Q: The energy in eV of a photon, if the requency of the radiation is 7 × 10¹4 Hz is 4.0 eV 2.9 eV 3.9…
A: To find-Energy in eV=?Given-h=6.63×10-34 Jsv=7×1014 Hz
Q: A medical researcher is using a chromium-51 source to study red blood cells. The…
A: Given:- The The gamma emission at a distance of d1 = 1.0 m The intensity is I1 = 0.75 mrem/s· m 2…
Q: A flashlight emits 1.0W of light energy. Assuming a frequency of 5.2 x 10^14 Hz for the light,…
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Q: The energy in eV of a photon, if the requency of the radiation is 7 × 10¹4 Hz is 4.0 eV (b) 2.9 eV…
A: To find-Energy in eV=?Given-h=6.63×10-34 Jsv=7×1014 Hz
Q: The conductivity of a plasma is purely imaginary given by o = ioo. Therefore, J = ioo E If the…
A: Given: conductivity of plasma is iσ0 J→ = iσ0E→ Electric field - E→ = E0eikz-ωti^ To Find:…
Q: rties of blackbody radiation had been ished. First, the total intensity I (the ge rate of radiation…
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Q: A copper cylinder with a temperature of 397 K is found to emit 199 J of energy each second. If the…
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Q: Calculate the peak-wavelength for the human skin when the temperature of the human skin is 32° C.
A: according to Wein's displacement law λmax = b / T where, b = 2.989 x 10-3
Q: If the human body is considered as a blackbody calculate the maximum wavelength emitted.
A: Objects of different temperatures will have spectra that will peak at different temperatures. Thus…
Q: Calculate the average wavelength associated with an 150.0 lb athlete who covers 115 m in minute.
A: Given,Speed of athlete, v = 115 m/min = 1.91 m/sMass of athlete, m = 150 lb = 68.03 kg
Q: An x-ray photon of energy 3.20 x 10-15 J has what wavelength?
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Q: Water absorbs infrared radiation with wavelengths near 4.55 mm. Suppose this radiation is absorbed…
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Q: What is the wavelength of the photon with energy E = 5.4 × 10-15 J. Use the unit of nm for the…
A: Write a given values of this question. E=5.4×10-15Jh=6.63×10-34J-sc=3×108m/s
Q: A healthy person has a body temperature of 98.6°. Use the properties of blackbody radiation to work…
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Q: (a) A certain X-ray photon has a wavelength of 18 nm. Calculate the frequency (υ) of this type of…
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Q: The energy flux of sunlight reaching the surface of the earth is 1.388 × 103 W/m2. How many photons…
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Q: (a) What is the wavelength (in nm) of radiation that has an energy content of 2.43 × 10³ kJ/mol x 10…
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Q: The emissivity of the human skin is 97.0 percent. Use 35.0 °C for the skin temperature and…
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Q: how ultra-violet radiation and x-rays are different. why exposure to ulta-violet radiation and…
A: Both are the electromagnetic waves and if we talk about x-rays they have wavelength of 0.01 nm to 10…
Q: Our sun's blackbody temperature is about 6000 K and its peak radiation occurs at a wavelength of…
A: We can apply Wien's law.
Q: If the frequency of radiation is doubled then the relation between initial K.E. and new K.E. is, (a)…
A: To find-New (K.E.)2=?Given-Initial frequency=(v)New frequency=2vInitial K.E.=(K.E.)1
Q: Find the highest wavelength for radiation emitted from a person with a body temperature of 36.5 ° C.…
A: From Wein's law, Wave length of maximum emission is, λmax = 0.0029/T T is temperature of object in…
Q: A Light Bulb emits EMR with a frequency of 7.00×1014 Hz. If the TOTAL amount of Energy it produces…
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Q: A Light Bulb emits EMR with a frequency of 7.00×1014 Hz. If the TOTAL amount of Energy it produces…
A: Given: frequency ν=7.00*1014 Hz total energy E=3.0 MJ=3*106 J
Q: The walls of a blackbody cavity are at a temperature of 30oC. What is the wavelength of the…
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Q: lightbulb emits about 7.45W of visible light. (The other 109.55W are emitted as infrared radiation…
A: Energy of photon = hv h = planks constant= 6.6 × 10-34 Js v = Frequency of photon
Q: The energy of a photon is 52.6 eV. What is the wavelength in of the photon? Assume 3 sig figs. 1nm =…
A: Energy of the photon, E=52.6eV=52.6×1.6×10-19J speed of photon i.e. light is c=3×108m/s plank…
Q: True or False UV light have a high ability to move through materials such as glass, paper, pus,…
A: True or False
Q: copper cylinder with a temperature of 307 K is found to emit 124 J of energy each second. If the…
A: Given T = 307 K Energy emitted per second = P = 124 J
Q: The mass of a photon with wavelength 3.6 Å is
A: wavelength = 3.6 X 10-10 mVelocity of photon = velocity of lightMass, m = h/λv = 6.139 X 10-33 kg.
Q: When ultraviolet radiation of 9.5 X 10 14 Hz is incident on a metal sheet, photoelectrons are…
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Q: A photon carries 2.56 eV of energy. What is the photon's frequency? (h= 6.626 x 10-34 J-s; 1 eV =…
A: Given: The energy of the photon is 2.56 eV.
Q: If a black body is heated 27°C to 927°C. Then the ratio of radiation emitted will be (a) 1:4 (b)…
A: To find-Ratio of heat radiated=?Given-T1=270CT1=(27+273)=3000KT2=9270CT2=12000 K
Q: Photons of a certain ultraviolet light have an energy of 6.70 ✕ 10−19 J. (a) What is the frequency…
A: given that energy =6.70 * 10^-19 J (a) E = h * f is the formula for frequency f =E / h…
Q: A photon has 1.86 eV of energy. What is the photon’s wavelength? (h = 6.626 x 10-34, 1 eV = 1.6 x…
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Q: Assume that your body (with temperature of 310 K) can be approximated as a blackbody. What is the…
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Q: Electromagnetic radiation with a wavelength of 575nm appears as yellow light to the human eye. The…
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