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Laser beam enters a prism

(See attached file for full problem description with diagram) --- 8. A laser beam enters one of the sloping faces of the equilateral glass prism (n = 1.41) in the figure below and refracts through the prism. Within the prism the light travels horizontally. What is the angle between the direction of the incident ray and the


4.15 Light of wavelength 600 nm in vacuum enters a block of glass where n_g=1.5. Compute its wavelength in the glass. What color would it appear to someone embedded in the glass? See attached 4.19 A laserbeam having a diameter D in air strikes a piece of glass (n_g) at an angle theta_i. What is the diameter of the beam in

Optics of thick glass mirror

Images in a very thick glass mirror may by slightly colored by dispersion. Draw two vertical lines, separated by about 2 cm, to represent the front (glass) surface and the rear (silver) surface of the mirror. About 2 cm in from of the mirror, draw the object-a white point source. (a) Carefully draw red and blue rays to represent

Optics of Lenses

You are holding a lens in your hand. How can you tell if it is: (a) positive (converging) (b) negative (diverging), or (c) neither (a) nor (b) above... draw pictures to show...


When you look at a white light source through a rainbow peephole, why is ONLY the central spot white?

Analyzing Optics and Waves

Question: 5-4 Sketch Diagram attached... a) What is the critical angle theta of the interface? b) What is the acceptable angle 'a'. Answer to the problem. (See attached file for full problem description).

Optics and Waves Question

Question: Radio waves of frequency 900 kHz are broadcast in step from two stations 15 kilometres apart. a) What is the wavelength of the signals? (c = 3 multiplied by 10`8 ms-1) b) What is the path difference between the two waves received at a point P 6 kilometres from one station along a line directly towards the oth

Calculate the Path of Light

Question: Light from a torch held under water by a diver hits the surface at angle of incidence a) 40 degrees b) 55 degrees In each case calculate the path of the light. (Refractive index of water = 1.33) I would like the workings and answer to this problem please.


Objective: To examine how images can be formed from the light of distant sources. Equipment: Example lens (magnifying, reading glasses, or eyeglasses for a farsighted person), a small hand mirror, blank paper; straight edge (ruler), protractor. Description: Quantitative interpretation of astronomical images requires a k

Light and Optics

1. Light is incident at angle A from a media with n = 1.5 to one with n = 2.0 as shown in the figure. What is the minimum value for A so that there is total internal reflection at point P, which is at the interface between the n = 2 and n = 1 materials? ? A

Physical Optics/resolution

Hi. Can someone please show me how to do the following problem? Thank you. "When reading the printout from a laser printer, you are actually looking at an array of tiny dots. If the pupil of your eye is 2.1 mm in diameter when reading a page held 33 cm from your eye, what is the minimum separation of adjacent dots that can be

Physical Optics/constructive and destructive reflection

Hi. Can someone please show me how to do the following problem? Thank you. White light is incident normally on a thin soap film (n = 1.33). (a) What are the two minimum thicknesses that will constructively reflect visible light with = 676 nm? smallest thickness (in nm) second smallest thickness (in nm) (b) What

Physical Optics and Interference

Moe, Larry, and Curly sit in a line with a spacing of 1.00 m. Larry is d1 = 3.0 m in front of a pair of stereo speakers d2 = 0.800 m apart, as shown in Figure 28-33. The speakers produce a single-frequency tone, vibrating in phase with each other. What are the two lowest frequencies that allow Larry to hear a loud tone while Moe

Problems with Optics and Lenses

Hi. Can someone please show me how to do the following problem? Thank you. "A magnifying glass is a single convex lens with a focal length of f = +11.0 cm. (Assume the person using the magnifying glass has a near point of 25 cm and the magnifying glass is directly in front of the person's eyes.) (a) What is the angular mag

Optics and Lenses

Hi. can someone please show me how to do the following problem? Thank you. "With unaided vision, a librarian can focus only on objects that lie at distances between 6.0 m and 0.37 m. Find the refractive power needed for each part of the bifocal eyeglass lenses (1. for the converging lens and 2. for the diverging lens) that wi

Optics and Diffraction Problem Set

1) The drawing shows a crystalline slab (n = 1.402) with a rectangular cross section. A ray of light strikes the slab at an incident angle of theta_1 = 44 degree, enters the slab, and travels to point P. This slab is surrounded by a fluid with a refractive index n. What is the maximum value of n such that total internal reflecti


An electron is placed in a constant electric field of magnitude 800 N/C. What is the acceleration of the electron and the electromagnetic power radiated by the electron? I'm not sure how to set it up. Can you help?

Optics - Radiation Intensity

A laser can be used to suspend beads in the earth's gravitational field. A bead with mass 5 * 10^-6 g and density of .400 g/cm^3 is to be suspended. Determine the radiation intensity needed to support the bead. I'm not sure how to set it up. Help please?

Wave Optics: Interference and Diffraction

1.A circular diffraction pattern is formed on a faraway screen. (a) By what factor will the width of the central maximum change if the wavelength is doubled? (a) 4 (b) 2 (c) 1 (no change) (d) 1/2 (e) 1/4 (b) By what factor will the area of the central maximum change if the slit

Optics: Point of Refraction

Given a hemisphere of radius r defined by: x = r*cos(a) y = r*sin(a) where -pi/2 <= a <= pi/2 If the hemisphere describes a boundary between two interfaces having indices of refraction n (outside the hemisphere) and m (inside the hemisphere) and assuming the light strikes the hemisphere at point {x,y} with angle a (meanin

Please, show me how you got the answers and give me the answers. Thanks

1. Light with a wavelength of 486 nm in air is passed through glass with an index of refraction of 1.54. (a) What is the wavelength of the light in the glass? What is the frequency of the light (b) in air and (c) in the glass? 2. Using Huygens' principle (rather than Snell's law), find the angle of refraction when light is in

Optics and Eyeglasses

1. A eyeglass lens has strength of +5.50 diopters. What is the focal length of the lens? 2. A farsighted eye has a near point of 150 cm. Objects closer than 150 cm are not seen clearly. A converging lens is used to permit clear vision of a book placed 25 cm in front of the eye. Find the focal length of the lens and express its

Optics: Double-Slit Arrangement

In a double-slit arrangement the slits are separated by a distance equal to 100 times the wavelength of the light passing through the slits. (a) What is the angular separation in radians between the central maximum and an adjacent maximum? (b) What is the distance between these maxima on a screen 50.0 cm from the slits?

Optics and Magnification on Objects

Please help with 48, 56, 62, 72, 86 ONLY 48) What is the magnification of the object when the object is 35 cm from the lens (see attachment please)