Blueshift Redshift : When a star is moving toward Earth, the wavelengths emitted by the star are compressed and appear blue to an observer on Earth. : When a star is moving away from Earth, the wavelengths are stretched out and appear red to an observer on Earth.
Q: We all know the trick of pretending to lose a cell phone connection, but the receiving person (in…
A: (1) Given: f=850 MHz=8.50×108 Hz The formula to calculate the wavelength is λ=cf where c is the…
Q: What wavelength of radiation has photons of energy 6.09 x 10-¹⁹?
A: Given : E=6.09*10-19 To find: Wavelength of radiation
Q: What is the momentum of a photon with an energy of 9.9*10^-13J a) 3.3 x 10^-21 kgm/s b) 2.0x…
A: Given data: A photon Energy (E) = 9.9×10-13 J Required: The momentum (P)
Q: A blackbody has a temperature of 2000°C. Determine the wavelength and frequency of its most intense…
A: Given: Temperature of blackbody T = 2000oC=2273K
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Q: How much energy does a photon of green light have if its wavelength is 5.80 x 10^-7m
A: wavelength of green light λ = 5.80 ×10-7 m where the photons have zero rest mass that is mo = 0…
Q: If the wavelength of the sun's ray is 0.5 micro meter (um), find its frequency. Take the speed of…
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Q: Q4) Determine the centripetal force on the Hydrogen atom electron with a wavelength (3.3* 101º m).
A: Atomic structure.
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Q: Gamma-ray busters are objects in the universe that emit pulses of gamma rays with high energies. The…
A: Relation between wavelength and frequency is as follows λ=Cf where λ = wavelength of given rayC=…
Q: Evidence for the Big Bang Theory for the beginning of our universe which is seen by astronomers…
A: Explanation: The motion of galaxies relative to the earth can be measured by observing the shifts in…
Q: 2. Calculate the total intensity I=J, I(2)da emitted at absolute temperature T from a blackbody…
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Q: What is the Doppler broadening in the 21 cm line in an interstellar gas cloud (100 K) composed of…
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Q: Topic: Doppler Effect Q. How do astronomers see the colors that make up starlig
A: In the given question, We have to discuss about , how do astronomers see the colors that make up…
Q: Define the following: a. Light as a wave b. Light as a particle (photons)
A: Light is the electromagnetic radiation within the section of the electromagnetic spectrum that is…
Q: police officer's radar gun emits radio waves at a frequency of 10.7 GHz10.7 GHz. What is the…
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Q: 1. Temperature of the Cosmic Microwave Background radiation (CMB) is T= 2.725 K. a) Assuming it has…
A: (a) as we know max. Wavelength of radiation given by wein displacement law Lembda = b/ T where b is…
Q: What is the wavelength of maximum intensity (in nm) and the total energy emitted (in J/s/m2) by a…
A: According to the Wien's law formula the relation between temperature and wavelength is given by,…
Q: 1. A stationary ambulance truck emits a frequency of 1300HZ. Calculate the frequency detected by the…
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Q: Remember the wave equation is V = lambda*f For electromagnetic waves traveling in a vacuum, they all…
A: Given, Speed of light, c = 2.998×108 ms wavelength of microwave, λ = 6×10-2 m
Q: If the emitted radiation from a star has a wave length of maximum power at 600 nm what is the…
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Q: An astronomer studying the light emitted by a star notices that the wavelength of the light is a…
A: According to the relativistic doppler effect, when an object is in relative motion with an observer…
Q: If the wavelength of the sun's ray is 0.5 micro meter (um), find its frequency. Take the speed of…
A: Given, the wavelength of sunray is 0.5 micrometer sped of light is 3x 10^8 m/s let frequency is f Hz
Q: Q1/ Find the total energy and the greatest wavelength of the energy emitted from the surface of the…
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Q: The infrared radiation coming from the center of our galaxy has a wavelength of 2 µm. Using this…
A: The energy released by the core of a star is absorbed by its outer layers which then remits them.…
Q: A black body is at 727°C. It emits energy at a rate, which is proportional to ___________ a) (727)2…
A: Option
Q: A star is moving towards us at an extremely fast speed. What is likely happening to the light wave…
A: Doppler effect: The wavelength or frequency of radiation from a source appears to change due to its…
Q: The Sun appears to be red as it sets because: 1. Air absorbs red light less than other frequencies…
A: Sun colour is comprises of seven colors. They are calles as VIBGYOR. V stands for violet. I stands…
Q: Normal human body temperature is about 37°C. What is this temperature in kelvins? What is the peak…
A: Given data: Temperature of normal human body, T=370C
Q: Wavelength 3 Wavelength 2 Wavelength 1 Energy
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Q: A police officer's radar gun emits radio waves at a frequency of 11.7 GHz. What is the difference in…
A: given that,f=11.7 GHzvr=45mphvr'=9 mph
Q: 8. The light used in a CD player has a frequency of about 5.0 x 10" Hz. What is its wavelength?
A: Since you have asked multiple question, we will solve the first question for you. If you want any…
Q: The neutral sodium line in Sun's spectrum has a wavelength of 5896 Å. Find the wavelength shift of…
A: When a photon is moving away in a gravitational field it will lose energy. This will increase the…
Q: furnace emits radiation at 2000 K. Treating it as black body radiation, calculate the wavelength at…
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Q: What will be the effect on the spectral lines of an object if it is moving only perpendicular to…
A: We have to discuss about when the object is moving only perpendicular to your line of sight then…
Q: 21. Blackbody radiation: Assuming the object's surface is a flat and Lambertian, the spectral…
A: The spectral exitance of an ideal black body radiation source follows plank's law
Q: The Sun radiates 3.86x10²ºW. Earth's distance from it is called an "astronomical unit" (AU) and that…
A: Let Ls be the rate at which sun radiates energy. Let r be the radius of the earth’s orbit. Let S be…
Q: A bat flying toward a wall emits a chirp at 40kHz. Is the frequency of the echo received by the bat…
A: Given : Let the velocity of the bat 'u'.Considering the two different parts of the problem .(1)…
Q: the wavelength,
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Q: A brighter red light will be of higher/lower/same frequency than a dimmer red light. Explain.
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Q: If you find that the hydrogen alpha line in a star's spectrum occurs at a wavelength of 656.45 nm,…
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Q: Infrared radiation has wavelengths ranging from about 1mm to about 7 x 10 7m. These wavelengths have…
A: The electromagnetic spectrum consist of all types of electromagnetic radiation. The radiations are…
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