Phosphorescent screen (viewed from above) Radioactive sources Lead Box

Q: Find: ® l-30) O15ul lav-7ul u.V ® The angle between u and v. For © u=sj-3k ( vaitj+k

A: Since you have posted a question with a multiple sub parts, we will solve first three sub - parts…

Q: What is the thickness of aluminum required to reduce the 200Kev rays to 10% of their original value?…

A:

Q: What is the approximate average energy, average frequency and average wavelength associated with the…

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Q: What are X-rays and how are they produced? Do you think it would be possible, in principle, to…

A: X-rays: they are the highly energetic electromagnetic waves. Their wavelength could be in the range…

Q: -Q // If the calcium line has an amount of (422.7 nm) it results in a simple Zeeman effect in a…

A: Zeeman effect: The phenomenon of splitting up of spectral line in a magnetic field is known as…

Q: Gamma rays of energy 0.653 MeV are Compton scattered. (a) What is the energy of the scattered photon…

A: We have following values-Energy of the gamma rays, E= 0.653 MeV=0.653 ×106 V.Angle of scattering,…

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: Calculate the number of photons emitted per second by a 100-watt sodium lamp. [Assume 1 = 5893Å of…

A:

Q: of illumination emitted by the sun at the greatest wavelength λmax = 0.5 pm and the greatest…

A: Given values:- Amount of illumination emitted at the greatest wavelength,(λmax)=0.5 pm -----(1)…

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: Ex+ Use sufer fosition theoremfind durrent I tov 20A 1502 40A Ix Sind Ixs?

A: Given that:- Electrical circuit is given in the question.

Q: Write true if the statement is true. If not, write false and change the underlined word to make the…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub parts for…

Q: The percent of projectile electron energy that is converted to x-ray energy is about O (80) O (1) O…

A: The projectile electron interacts with the electrons in the orbit of the target atom. Due to this,…

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: Why are microwave ovens constructed so that they will not operate when the door is open?

A: Microwave oven works on the principle that polar molecule like water vibrates and produces heat when…

Q: A beam of x-ray is scattered by a target. At 90o from the beam direction, the scattered x-rays have…

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Q: Because of events shortly after the big bang, the universe is filled with a "background" of…

A: Given Data : T = 2.7KTo Find : λmax and in which portion of EM spectra it lies

Q: Pair production does not occur in X-ray imaging. a) True b) False

A: Pair production does not occur in X-ray imaging because the minimum voltage needed for pair…

Q: Why are the rays that come from a cathode ray tube seen as light?

A:

Q: -Q // If the calcium line has an amount of (422.7 nm) it results in a simple Zeeman effect in a…

A: Zeeman effect: The phenomenon of splitting up of spectral line in a magnetic field is known as…

Q: If I have another exact question like this but instead of 26.6 its 25. Would I just replace 26.6 in…

A: Yes. Since g is constant so you can just replace the valie of h and you will get the answer.

Q: The X ray beam contains a greater proportion of higher energy X rays the further material it…

A: The basic components of the X-ray tube include a cathode, anode, rotor, envelope, tube port, cable…

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: A black body is defined as a perfect absorber of radiations. It may or may not be a perfect emitter…

A: B

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: Why are the rays released by a cathode ray tube considered to be light?

A: Why are the rays released by a cathode ray tube considered to be light?

Q: Before a piece of X- ray wavelength 0.71 A)) scattered by a piece of carbon at a right angle, then…

A: Given:wavelength before scattering, λ = 0.71 A = 0.71×10−10 mangle of scattering of photon is, φ =…

Q: A copper calorimeter whose mass is 250 g contains 700 g of water at 250C. When 25 g of a certain…

A: the specific heat of the metal is 2.127cal.gm. °C

Q: By using the Euler's identity: ei(theta) = cos(theta) + i*(sin(theta)) Show that 1. cos(theta) =…

A:

Q: Hello, I have a question about this exercise:  I thought that because 18. 3 is going forward,…

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Q: The terrestrial oxygen line in Sun's spectrum has a wavelength of 7594 Å. Find the wavelength shift…

A: When light is moving away from a gravitational source its energy will decrease. This will decrease…

Q: 86. A projectile of mass 2 kg is fired with a speed of 20 m/s at an angle of 30° with respect to the…

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: photo electrons are emitted. Why? I want a simple answer.

A: we have to evaluate why sometimes electron are not emitted even when light strikes on a surface.