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Wave Optics: Interference in thin films/wedge shaped film.

Two rectangular optically flat plates (n=1.52) are in contact along one end and are separated along the other end by a 2.00 micrometer thick spacer. The top plate is illuminated by monochromatic light of wavelength 546.1 nm. Calculate the number of dark parallel bands crossing the top plate (including the dark band at zero thick

Geometrical Optics: Lenses, Prism, multiple-total reflection

1. A Lighted candle (shown) 10.0 cm high is placed 40.0 cm in front of a converging lens with f1= 15 cm, which in turn is 70 cm in front of another converging lens of f2 = +20 cm. (a) Draw a "good" ray diagram "to scale" ( show focal lengths, etc.) for this problem. Estimate from your diagram the location and size of the fin

Chapter 8: Activity-Based Costing: A Tool to Aid Decision Making

Please refer to the attached word document. The following exercises need to be addressed: Exercise 8-10 Problem 8-14 Problem 8-18 Thanks. --- 356 Chapter 8 Activity-Based Costing: A Tool to Aid Decision Making EXERCISE 8-10 Comprehensive Activity-Based Costing Exercise Silicon Optics has supplied the fol

Ray Optics: Combination of lens and mirror

An object is placed 12.0 cm in front of a converging lens of focal length 5.00 cm. A concave mirror with radius of curvature 20.0 cm is located 30.0 cm in back of the lens as shown. (refer to attached picture) 1.) At what distance from the lens does the first image (from the lens) form? 2.) What is the magnification of the

Optics/Prism problem

A light beam enters a 30 - 60 - 90 degree plastic prism of index of refraction 1.45 with an angle of 32.8o with the face as shown. The prism is in air. (refer to attached picture) 1.) Sketch the path of the beam as it passes through the prism. 2.) Find the angle the beam makes with the diagonal surface after it exits the p

Telescope Optics

A severely near-sighted sailor on a ship is asked to be on the lookout for icebergs on the horizon. To do so, he is given a Newtonian Telescope with f(objective) = 30cm and f(eyepiece)= 5 cm (see diagram in attached file). a. If the sailor's relaxed eye focuses objects at a distance of 1m (his far-point distance), how far apart

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

Optics and Waves Question

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..


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