A positron collides head on with an electron at the SLAC National Accelerator Facility. The positron and electron are both annihilated producing 2 photons. Each particle had a kinetic energy of 1.0 MeV. Find the wavelength of the resulting photons.

Q: A. 2 p. p. 7. The index of refraction, n, has which of the following range of values? A. n2 1. B.…

A: The refractive index is the ratio of Speed of light in vaccum to the speed of light in a medium.

Q: Solve the following problems completely. Draw and label appropriate diagrams. What is the speed of…

A: Speed of light in a medium is given by: V = c/n Where c = speed of light in vacuum  = 3*10^8 m/s n =…

Q: closed path on a rectangular prism, an

A: A net is a 2D representation of a 3D shape that can be folded to form the original 3D shape. In this…

Q: In absolute index of refraction, n1 is:   A. Air B. Another medium C. Water

A: Refractive index is the ratio of speed light and velocity of the medium.

Q: Optical fiber works on the principle of Select one: O a. partial reflection O b. total internal…

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Q: Chromatic aberration is the result of    a. reflection.   b. straight ray propagation.   c.…

A: The cause of chromatic aberration is asked in the question.

Q: Draw attention to the given figure below and find the following: a. Solve for the index of…

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Q: 2. A light travels and strikes a mirror at 400. What is the angle of reflection? a. 100 b. 200 с.…

A: 2) Given: Here, θi is the incidence angle.

Q: Which of the diagrams is (are) incorrect? I 0, 0. glass diamond water glass Select one: O 1. III…

A: diagram 1 is incorrect  because there is not a condition for TIR(total internal refrection…

Q: liquid in a tall container appears half as deep as its actual height. What could be its index of…

A: Given: Height of liquid appears half as deep as its actual height.

Q: When you look in a mirror, which of the following phenomena helps your eye to be able to see your…

A: The image formed by a plane mirror is always virtual (meaning that the light rays do not actually…

Q: Refer to diagram 1. The rectangular solid is made of two blocks of different materials: - The top…

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Q: 6. Regular reflection is the reflection of all light rays at the same 7. Diffused reflection is the…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: What is the critical angle for total internal reflection of a crown glass that is immersed in water?…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: 2. Determine the angles A and B in the sketch below by applying the law of reflection. mirror A B A.…

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Q: What are the conditions so that we can achieve total internal reflection?

A: To determine the conditions for the total internal reflection

Q: What are the conditions to obtain total internal reflection?

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Q: When a young girl looks in a 6.0-cm radius, spherical Christmas tree ornament, she sees an imag How…

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Q: Describe the relationship of the angle of incidence and the angle of reflection. Represent this…

A: The angle of incidence is the angle made by the incident ray with the normal. Reflection angle is…

Q: Discuss the principle, construction and working of Nicole Prism?

A: Nicole prism is used for the production and analysis of plane-polarized light.

Q: 6. You look into an empty container, and your position is such that the far edge of the container is…

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Q: Can you help with 9a and 9b please  9a. A ray of light, emitted beneath the surface of an unknown…

A: Given. Light is incedent at critical angle. The total internal reflection takes place when light…

Q: а. What is refraction? b. Why does light bend when it passes thru different materials

A: a. Refraction is redirection or change in direction of wave while passing from one medium to other…

Q: L. What is the law of reflection? 2. What is the difference between diffuse reflection and regular…

A: When a ray of light from one medium incedent to the surface of another medium then light ray…

Q: 2. What is the critical angle for total internal reflection at a benzene-air interface? The index of…

A: Given Data :  Benzene air interface  Refractive index of benzene, n1 = 1.80 Refractive index of air,…

Q: A ray of light traveling in air strikes the surface of a certain plastic slab (with unknown index of…

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Q: A beam of light hits the boundary between glass (n=1.52) and an unknown material at an angle of 42o…

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Q: 11. A ray of light travels through a lens, like shown. Light Light Lens What happens to the light?…

A: The light ray through the lens is shown below.

Q: Total internal reflection occurs when there is a difference of transparent medium density. Explain…

A: The relation of the critical angle is given in terms of refractive indices of the mediums.

Q: w would you change this diagram to make it accurate? prisms

A: A prism binocular is optical equipment that is used for observing distant objects with higher…

Q: The index of refraction of glass is 1.55. The speed of light in the glass A. is the same as in the…

A: Given data:  The index of refraction of glass is nglass  = 1.55

Q: 1.What is the law of reflection? Does it apply to rough surfaces as well as smooth?

A: Note: As per the guidelines we’ll answer the 1st question. Please submit a new question by…

Q: A grating is a device that a. bends light and allows it to focus at a point. b.…

A: A diffraction grating is a special device or an instrument in which several number of parallel…

Q: Brewster's angle (n=1.5) from air to glass? temperatures of 78.4°F b. A temperature of 48.7…

A: The course of polarization (the manner in which the electric field vectors point) is corresponding…