optics

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Optics

You combine two thin lenses by placing them in contact so that their axes coincide, forming what is called a compound lens. The focal lengths of the lenses are 22.9 cm and −57.1 cm, respectively. Find the focal length of this compound lens. Does this compound lens act as a diverging lens, as a converging lens, or it cannot be determined?
Geometric Optics

A concave mirror forms an image, on a wall 3.00 m from the mirror, of the filament of a headlight lamp 10.0 cm in front of the mirror.(a) What are the focal length and the radius of curvature of the mirror ?(b) What is the height of the image if the height of the object is 5.00 mm?
Physics Optics Problem

An object 8 cm high is placed 20 cm in front of a converging lens of 10 cm focal length. A second converging lens of 20 cm focal length is plaed 30 cm behind the first lens. Find (a) the image distance for the first lens, (b) the object distance for the second lens, (c) the image distance for the second lens, and (d) the total magnification of the combination.

How does a adaptive optics system work?

How does a adaptive optics system work?
How are community using fiber optics as backbone media?

How are community using fiber optics as backbone media?
Optics question What is the percentage of light that is lost due to reflection in the...

Optics question What is the percentage of light that is lost due to reflection in the prism-based binoculars shown below? Indices of refraction of glass material of lenses and prisms n-1.5, apex angles of both rectangular prisms are 45 degrees. (10 points)

iPad 3:00 PM 100%-, a inst-fs-iad-prod.inscloudgate.net Facebook Optics P. Get Homew... American Ai..Rhapsody P...Amazon.co... Heels Optics...

iPad 3:00 PM 100%-, a inst-fs-iad-prod.inscloudgate.net Facebook Optics P. Get Homew... American Ai..Rhapsody P...Amazon.co... Heels Optics Practice Problem Session 1. 2 mirrors are set 125° apart as in the diagram below. If the incident angle (0) of light on the first mirror is 50, at what angle is the beam reflected off the second mirror (0)? M2 125 Mi 2. What is the minimum index of refraction a material must have in order for there to be total internal reflection...
Problem 9: Go to the PhET website and run the geometrics optics simulation

Problem 9: Go to the PhET website and run the geometrics optics simulationhttp://phet.colorado.edu/sims/geometric-optics/geometric-optics_en.htmlIn the questions below, select all correct answers.In this simulation you will explore converging lenses and how the distance of the object from the lens and the focal length determine the properties of the image formed by the lens.Make sure "Marginal rays" is selected in the box at the top left of the screen.The object is initially 2 f away from the lens. Move the object closer to...
physics geometric optics For what values of the object distance was the image virtual?

physics geometric optics For what values of the object distance was the image virtual?