Radio waves have a frequency of the order of 1 to 100 MHZ. What is the range of Our bodies are continuously bombarded by these photons. Why are they not dange

Q: The predominant wavelength emitted by an ultraviolet lamp is 300 nm a) What is a frequency of this…

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Q: what is the maximum frequency, in hertz, of these photons?

A: Since maximum energy , Emax = 22000 eV  Emax = 22000×1.6×10-19 J  Emax = 35200×10-19 J = 3.5×10-15 J…

Q: The CMB contains roughly 400 million photons per m³. The energy of each photon depends on its…

A: Write the expression for the Wien displacement law. Here, T is the temperature.

Q: List all possible known interactions between photons and electrons discussed in this chapter. Can…

A: Since chapter is not mention in the question; therefore, providing answer based on general…

Q: Wavelength Frequency (nm) Electron Ejected Electron Kinetic Energy (J) Laser (Hz) Energy (J)…

A: The wavelength and the electron kinetic energy is given in the table. The wavelength us denoted in…

Q: waves have a frequency of the order of 1 to 100 MHz. What is the range of energies of these photons?…

A: Energy of photons.

Q: What determines whether a given photon is an x ray? Could an x ray have a wavelength longer than…

A: A photon is said to be an X-ray photon or not is depending on its wavelength. The wavelength of x…

Q: Consider the two x-ray spectra depicted in the figure below produced by the same x-ray machine.…

A: Adding a filter in the X-ray spectrum apparatus reduces the number of lower energy photons. This…

Q: In photomultiplier tube, suppose that we have 5 dynods in total, then the approximate number of…

A: SOlution:how many electrons generated by 2 phtons

Q: Describe one type of evidence for the particle nature of EM radiation.

A: De Broglie proposed the dual nature of electromagnetic waves. Which means it can possesses both…

Q: in the 3km long stanford linear accelerator two electrons are accelerated to an energy of 2x10^10ev.…

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Q: Light that has a frequency of about 5.20 1014 Hz (a wavelength of about 578 nm) appears yellow to…

A: Light that has a frequency of about 5.20 1014 Hz (a wavelength of about 578 nm) appears yellow to…

Q: A proton is located at a distance of 0.457 m from a point charge of +8.56 μC. The repulsive electric…

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Q: Light that has a frequency of about 4.43 1014 Hz (a wavelength of about 683 nm) appears red to our…

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Q: Light that has a frequency of about 4.43 x 10^14 HZ (a wavelength of about 683 mm) appears red to…

A: Given: The frequency of light is 4.43×1014 Hz. Introduction: The wavelength of visible spectrum of…

Q: Integrate e 8πν -hv/kT c³ (1-e-hv/kT dv to obtain the expression for number of photons, N. dN =…

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Q: Exercise 2. Electrons in the outer and inner Van Allen radiation belts have energy as listed below.…

A: Given that,  Outer radiation belt: Ek = 4.0 x 10^4 eV  Inner radiation belt: Ek = 1.6 x 10^6 eV

Q: 6. You purchase a 5000 K, 100 watt light bulb from Home Depot. a) What is the wavelength of maximum…

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Q: Determine the energy in joules and wavelength in nm of a photon with energy of 3.15 eV. (a) energy…

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Q: Compute a rough estimate of the number of photons emitted each second by a 100-W lightbulb. You…

A: The power of the bulb is 100 W. Here we use the temperature as 3000 K.

Q: (magnitude and direction) on the

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Q: Assume a lightbulb converts all of its energy to green light (this is not true, some is lost as…

A: The expression for the power is as follows: P=Et                                 1 The total energy…

Q: Two photopeaks due to two g-rays of energies 1172 keV and 1332 keV of 60Co falls on channels 2871…

A: Given: Two g rays of energies 1172keV and 1332keV of 60CO Channels 2871 and 3264

Q: 37 The wavelength at which a thermal radiator at temperature T radiates electromagnetic waves most…

A: (a) Energy of the photon

Q: The energy density of radiation per unit frequency interval u(v) for black-body radiation is…

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Q: Photons which are obtained through .6 spontaneous emission are • Have same frequency O • Coherence •…

A: The answer is as follows

Q: If an X-ray machine produces photons with a frequency of 7.1 x 10^12 MHz. Calculate the wavelength…

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Q: uestion (i)

A: Question (i) Given- Room temperature T=200C=20+273=293 K

Q: energy supplied to an incandescent light bulb converts into light energy Assuming the average…

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Q: Suppose a 952 keV electron and a 615 keV positron (anti-electron) collide and annihilate each other,…

A: Frequency of the photons 2Ephoton=Eelectron+Epositron2hf=Eelectron+Epositronf=Eelectron+Epositron2h

Q: When an electron and positron annihilate, both their masses are destroyed, creating two equal energy…

A: According to the principle of conservation of momentum, the total momentum of the system must be…

Q: Suppose a microwave oven has a power output of 1.25 kW at a frequency of 2560 MHz. How many photons…

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Q: What should be the energy of an electron so that the associated electron waves have a wavelength of…

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Q: 1. Which of the following is quantized? (a) mass (b) charge (c) velocity (d) energy 2. Which of the…

A: Answer:-  Answer (1) ------- (b) charge  Because Charge quantization is the principle that the…