Physics

A ray of light falls on one of two plane mirrors placed at an angle of 90 degrees. show that the direction of the ray after two reflections is parallel to the direction of the original ray.

  1. 👍 0
  2. 👎 0
  3. 👁 204
asked by jane
  1. You will find a proof at

    (Broken Link Removed)

    1. 👍 0
    2. 👎 0
    posted by drwls
  2. Vchkfvjgvogviofogucigucfyctory

    1. 👍 0
    2. 👎 0
    posted by Garv

Respond to this Question

First Name

Your Response

Similar Questions

  1. Physics

    Two plane mirrors are positioned at right angles to one another. A ray of light strikes one mirror at an angle of 30° to the normal. It then reflects toward the second mirror. What is the angle of reflection (from the normal) of

    asked by Diana on April 17, 2015
  2. physics

    Two mirrors are placed at a 90° angle to each other. A light ray strikes one mirror 0.620 m from the intersection of the mirrors with an incident angle of 36.5°. The ray then travels a distance d before reflecting from the

    asked by bari on May 7, 2011
  3. physics

    Two mirrors are placed at a 90° angle to each other. A light ray strikes one mirror 0.730 m from the intersection of the mirrors with an incident angle of 36.5°. The ray then travels a distance d before reflecting from the

    asked by Christina on May 12, 2014
  4. physics

    A pair of vertical plane mirrors stands with an angle of β = 56.5 degrees between them. A pencil of light approaches in a direction parallel to one of them, as shown. After the pencil has left the mirrors, in which direction will

    asked by steph on September 14, 2013
  5. physics

    A light of ray is incident at an angle of 58degrees on the plane surface of a block of glass of refractive index 1.60. Some light is reflected on the other side of the normal att he same angle as the angle of incidence. Find:

    asked by help on October 24, 2012
  6. physics

    A light of ray is incident at an angle of 58degrees on the plane surface of a block of glass of refractive index 1.60. Some light is reflected on the other side of the normal at the same angle as the angle of incidence. Find:

    asked by Help please on October 24, 2012
  7. physics/light reflection

    A light of ray is incident at an angle of 58degrees on the plane surface of a block of glass of refractive index 1.60. Some light is reflected on the other side of the normal at the same angle as the angle of incidence. Find:

    asked by Help please on October 24, 2012
  8. Physics

    a periscope is an optical instrument made of two plane mirrors inclined at an angle 45 with respect to the axis of the tube. an observer places her eye at point O. draw the path of a ray light issued from A. determine the position

    asked by Sarah on February 11, 2017
  9. physics

    Two mirrors are inclined at each other such that a ray of light incident on the 1st mirror and parallel to the 2nd mirror is reflected from the 2nd parallel to the 1st mirror.Determine the angle between the mirrors and the

    asked by maina on June 27, 2016
  10. timpany

    a Ray of light makes an angle of 10 with the horizontal and strikes a plane mirror which is inclined at angle x to the horizontal . The angle x for which the reflected Ray becomes vertical is?

    asked by Shall I on May 10, 2015

More Similar Questions