1.1) A star has a radius of three times the Sun's radius, and an average number density of ions a factor of 1.75 higher than that of the Sun. How much time does it take on average for photons to travel across this star compared with the Sun?
Q: 1. Our eyes are most sensitive to light with a wavelength of 550nm. Find the temperature of a…
A: The wavelength corresponding to maximum intensity radiated by a blackbody at temperature T is given…
Q: photon has 2.90 eV of energy. What is the photon’s wavelength? (h = 6.626 x 10-34, 1 eV = 1.6 x…
A: Energy of photon: E=2.90 eV=2.90×1.6×10-19 J
Q: When an electron moves from the n=5 orbit to the n=4 orbit of a hydrogen atom, a photon of light is…
A: Initial orbit = n = 5 Final orbit = n =4 Energy of the photon = E =??? Frequency of the radiation…
Q: 8. At the center of the Sun, the mass density is p = 1.52 × 105kgm-3 an the mean opacity is K =…
A: Its a very simple question. The important thing here is to know the formula by which we can…
Q: Which of these expressions would yield the wavelength of light in meters emitted when an electron…
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Q: 2a. An atom in an excited state 1.94eV above the ground state remains in that excited state 1.97us…
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Q: What wavelength (in nanometers) is the peak intensity of the light coming from a star whose surface…
A: Determine the wavelength of the light.
Q: B2. A spherical star is detected by an astronaut in a spacecraft at a distance z of 1.5×10¹2…
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Q: A photon of X-ray has energy of 1 keV. A photon of visible radiation has energy of 3 eV. In this…
A: Since frequency and wavelength are related with each other so option A and D is correct As the…
Q: 1. A satellite is in uniform circular motion around the Earth, with an orbital period of 48 hours.…
A: Given information:
Q: A particle is in a two-level system with energy levels of E₁ = 2 eV and E₂ = 4 eV. The particle is…
A: Initial energy level of the particle (ground state): E1 = 2 eVHigher energy level of the particle:…
Q: 6. Use Boltzmann distribution to solve this problem. A system consists of 3,000 particles that can…
A: Given: A system consists of 3000 particles T = 900 k Formula used:NjNi = gj e-εjkTgi e-εikT
Q: a) What is the wavelength lambda (m) of green light having a frequency of 5.7 x 10^14 Hz. b).…
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Q: In the photon energy range 2 to 10 keV, X rays coming from the Crab Nebula have an intensity of…
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Q: An electron accelerated in an x-ray tube hits an anode (positively charged plate) target. HILF +High…
A: The kinetic energy of the electron is
Q: 2 (µm) Find the temperature of a black body with a radiation spectrum as shown in the graph below.…
A: The maximum wavelength of radiation spectrum from the graph = 3 μm
Q: 1. An electron of mass m and kinetic energy equal to its mass strikes a positron at rest. They…
A: "Since you have asked multiple questions, we will solve the first question for you. If you want any…
Q: When a photon has high enough energy and passes through material, it can disappear and turn into one…
A: Mass of electron = 9.1 ×10-31 kg
Q: The Sun radiates almost like a perfect blackbody at a temperature of T- 5800 K. a) Show, using the…
A: Given that:Temperature of Sun: T=5800 Kmass of person, m=70 kg (spherical in shape)Known:Density of…
Q: Electrons are accelerated in television tubes through a potential difference of about 1.50 x 104 V.…
A: Given Data, Potential Difference V=1.50×104 V Range of X-Ray Wavelength =0.01 nm to 10 nm
Q: The average flux of primary cosmic rays over ea nately 1 cm-² s¯¹ and their average kinetic energy…
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Q: Using the given charge-to-mass ratios for electrons and protons, and knowing the magnitudes of their…
A: The charge of electrons and protons are same, q The charge to mass ratio for electron is…
Q: Find the energy (in eV) of a photon with a frequency of 3.9 x 1016 Hz. eV
A: Energy can be written as, E=hν, and 1 eV= 1.6×10-19J
Q: Calculate the mass of the lithium ion. (Atomic mass = 6.015123 u; electron mass = 5.485799 x 10-4 u)…
A: Given data: The state is, n=3 The atomic mass is, M=6.015123 u The electron mass is, m=5.485799*10-4…
Q: 200kV is applied to the three-layer planar electrode system. Di electric coefficients and layer…
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Q: 9. In an experiment to measure the mass of the negative K meson (kaon) the photon energy for the…
A: Let Z be defined as the atomic number of the nucleus around which Kaon is moving in a circular…
Q: A) what is the wavelength in m of a 4.69*10^6 eV photon b) find its frequency in hertz c)…
A: Energy of photon (E) = 4.69×106 eV
Q: 2. Suppose you can find the velocity of an object with a 'photogate'. The photogate measure the time…
A: Given:Angle,θ=18°Gate lenght,L=0.7mSliding lenght,l=0.15mTime,t=232 ms=0.232 sFind the time through…
Q: QUESTION 3 The ground level of the hydrogen atom has an energy E₁=- 13.6 eV while the first excited…
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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: 1. Calculate the number of radiation modes in a cube 1 mm on a side for a spread of 0.001 nm…
A: Write the equation of number of radiation modes.On differentiating, we getHence, the number of modes…
Q: 2.37. The 2-line elements for satellite NOAA 18 are as follows: NOAA 18 1 28654U 05018A…
A: To determine the approximate values of the semimajor axis and the latitude of the subsatellite point…
Q: A rectangular loop of wire sits partially in a uniform magnetic field indicated by the array of dots…
A: (a) Induced current in the given loop is given by Lenz law. From this law, the direction of induced…
Q: An astronomer discovers a star that has a peak wavelength of 611 nm. Determine the peak frequency…
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Q: An electron traveling with a speed of 2.5 x 10^6 meters per second collides with a photon having a…
A: The energy of the photon before the collision : Epb = 6.626 x 10-18 J Explanation:Approach to…
Q: 122. A light of frequency 1.6 x 10º Hz when falls I| on a metal plate emits electrons that have…
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Q: Some satellites use nuclear power. a. If such a satellite emits a 2 W flux of y rays having an…
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Q: length (a) is shed on both sides of a cube an electric field of intensity H = exE (E) where e is the…
A: This problem is based on 1st order Perturbation in a 1-D box ; ψn(x)=2a sin nπxafor the ground state…
Q: What is the wavelength, in nm, of a light wave with a frequency of 4 * 10^15 Hz?
A: Given that the frequency of the light wave is f=4×1015 Hz. The wavelength of the light can be…
Q: The electromagnetic (EM) spectrum is the term used by scientists to describe the entire range of…
A: "Accelerating charge particle radiates electromagnetic waves" When an electron jumps from lower…
Q: Photons of a certain infrared light have an energy of 1.17x10^-19 J A) what is the frequency of this…
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Q: A laser pointer used in the classroom emits light at 4650 Å, at a power of 4.00 mW. (One watt is the…
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Q: What is 3.43
A: Given : λ=19.3 μm=19.3×10-6 m
Q: What is the energy (in eV) of a gamma-ray photon with frequency f=5.67 102¹ Hz? (h=4.136-10-15eV/Hz)
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Q: Describe how the hydrogen atom might absorb a photon of energy less than 13.6 eV. Describe a process…
A: Given:- A photon can be absorbed when it is equal to the difference of energy between…
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