2. Model the tungsten filament of a lightbulb as a blackbody at temperature 2 900 K. Determine the wavelength of light it emits most strongly.
Q: What is the energy in joules and eV of a photon in a radio wave from an AM station that has a…
A: Given, frequency of radio wave= 670–kHz we have to find the energy of the wave The energy of radio…
Q: Suppose a photon has a momentum of 5.4 × 10-29 kg⋅m/s. A. What is the wavelength of such a photon…
A: Given data: The photon, P=5.4×10-29 kg.m/s
Q: At what wavelength would a star radiate the greatest amount of energy if the star has a surface…
A:
Q: 2a. An atom in an excited state 1.94eV above the ground state remains in that excited state 1.97us…
A:
Q: 1. The peak intensity of thermal radiation from the Sun is at a wavelength of 500 nm. Calculate the…
A: Given data, The peak intensity of thermal radiation from the Sun is at a wavelength λmax=500 nm.
Q: he blackbody radiation emitted from a furnace peaks at a wavelength of 2.5 10-6 m (0.0000025 m).…
A: Use Wein displacement law
Q: de Broglie wavelength of a dusk speck
A: Mass of dusk speck is m=0.000001 kg Speed is v=600 m/s Find: de-Broglie wavelength.
Q: Which is NOT a property of objects with a black-body spectrum? a. The radiation is over a…
A:
Q: 3. A star in a distant galaxy approaches the Sun at 3 X 106 m/s. It emits a photon with a wavelength…
A: formula of Doppler shift of wavelength is as follows; λo=λs1+vc1-vc…
Q: 1. A photon of light has a frequency of 5.00 x 1014 Hz. If the frequency of the photon was doubled…
A: The relation between energy and frequency of photon is,
Q: What is the energy of a photon with a frequency of 8.94x1018 Hz? 1.35x1052) 7.41x10-17) 7.41x10-53J…
A: Solution:-Given thatfrequency of the photon (f)=8.94×1018 Hz
Q: 5. Calculate a percent error between your experimental value and the known value. How does your…
A: Solution: The photoelectric equation is given by, hv=KEmax+Where,hv-Energy of…
Q: 26. If a photon has an energy of 6.63 × 10-13 ], what will be its frequency? (h = 6.63 x10 ~34 J *…
A: Given Energy of the photon is given as E=6.63×10-13 J We have to calculate the frequency of the…
Q: What is the speed of an electron that has the same momentum as a photon whose wavelength in a vacuum…
A: The wavelength of photon = 380 nm The momentum of electron = The momentum of photon having…
Q: The photoelectric effect: a. results in the ejection of electrons by light at high…
A: It is required to choose the correct option from the given about the photoelectric effect.
Q: b) An incandescent lightbulb and a thin gas cloud are in space. An observer viewing with the…
A: Emission Line Spectrum: An emission line spectrum is a characteristic pattern of bright, narrow…
Q: 5. Wien's Law states that the peak wavelength of of photons emitted by an object is inversely…
A: For a temperature T1 = 4000 K, the peak photon wavelength is λp1 = 1000 nm. Assume that for a…
Q: 41. The wavelength A of de Broglie waves associated with an electron (mass m, charge e) accelerated…
A:
Q: About how hot does something have to get to glow red hot? a. 375 degrees F b. 800 degrees F c.…
A: The energy of electron increases when they are heated, due to this the emitted photons fall in the…
Q: 2. A photon has a frequency of 7.50 x 1014 Hz, a. Determine the energy and the momentum of this…
A: 2:- Given: Frequency of photon f=7.5×1014Hza) The energy of a photon is given by E=h⋅f Where:…
Q: A particle confined in a rigid one-dimensional box of length 13.1fm has an energy level En =25.59MeV…
A:
Q: A photon of light has a frequency of 5.00 x 1014 Hz. If the frequency of the photon was doubled then…
A:
Q: photon has a frequency of 7.50 x 10141014 Hz, a. Determine the energy and the momentum of this…
A:
Q: 1. Calculate the energy of a photon whose frequency is (a) 5.00×10¹4 Hz, (b) 10.0 GHz, (c) 30.0 MHz.…
A:
Q: What is the temperature of an object if the peak wavelength of its blackbody spectrum is 1200…
A: The Wien's law can be written as, λmT=2898 μm·K
Q: In an experiment on the photoelectric effect, a metal is illuminated by visible light of different…
A: Let ϕ be the work function of given metalthen,by energy conservationER=ϕ+0.9 energy of…
Step by step
Solved in 2 steps with 2 images
- 19. A certain atom holds an electron with an initial energy of 6.4 eV above the ground state energy. At some time later the energy is 3.2 eV above ground state. What is the frequency associated with the emission of the photon for this transition? A. 9.4x10¹4 Hz B. 7.7x10¹4 Hz C. 2.1x10¹4 Hz D. 8.9x1014 Hz1. A star such as our Sun will eventually evolve to a “red giant” star and then to a “white dwarf” star. A typical white dwarf is approximately the size of Earth, and its surfacetemperature is about 2.5×10 3K. A typical red giant has a surface temperature of 3.0×104 K and a radius ~100,000 times larger than that of a white dwarf.a) What is the average radiated power per unit area by each of these types of stars?b) What is the ratio of total power radiated from the white dwarf over the power of the red giant4.-The radius of the Sun is 6.96 × 108 m, and its total emitted energy is 3.85 × 1026 W.a) Assuming that the surface of the Sun radiates as if it were a blackbody, calculate its surface temperature.b) Using the result of part a), determine λmax for the Sun.
- A photon of light has a frequency of 5.00 x 1014 Hz. If the frequency of the photon was doubled then which of these would happen to the energy of this photon? a. it would become one-fourth as much b. it would become half as much c. it would double d. it would quadruple e. it would triple5. A photon of light has a wavelength of 0.050 cm. Calculate its energy.1. A carpenter builds an exterior house wall made of wood 3.0 cm thick. The wood has k = 0.080 W/mk. The interior temperature is 19°C and the exterior surface temperature is 9°C. What is the rate of heat flow per square meter through this wall? 2. What is the wavelength for the energy maximum of blackbody radiation at 30,000°F?