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Images in Plane Mirrors

Images in Plane Mirrors. Section 10.2 continued ... Pages 414 to 418 Today we will learn about ... Virtual and real images. SALT ... The four characteristics of images. Plane Mirrors. The law of reflection applies to light rays reflected from both flat mirrors and curved mirrors.

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Images in Plane Mirrors

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  1. Images in Plane Mirrors Section 10.2 continued ... Pages 414 to 418 Today we will learn about ... • Virtual and real images. • SALT ... The four characteristics of images.

  2. Plane Mirrors • The law of reflection applies to light rays reflected from both flat mirrors and curved mirrors. • Plane Mirror: Any mirror that has a flat reflective surface. • The image in a plane mirror appears to come from behind the mirror. It is not possible to catch this image on a piece of paper placed behind the mirror, since no light from the object reaches this point.

  3. Image Orientation in a Plane Mirror • The law of reflection also applies to looking at objects in a mirror. • The image in a plane mirror is an exact reflection of the actual image.

  4. Image Orientation in a Plane Mirror • The diagram shows that the light reflects off the mirror in such a manner that the angle of incidence is equal to the angle of reflection. ⦟r ⦟i

  5. Since the light rays are not coming from where your image appears to be, it is called a virtual image. • Virtual image: an image formed by rays that appear to be coming from a certain position, but are not actually coming from this position. • Real Imagescan be projected on to a screen and touched.

  6. Real Vs. Virtual Images Real Image: - Formed when reflected rays (not extended rays) meet - Located in the front of the mirror - You need a screen to see the real image

  7. IMAGES HAVE FOUR CHARACTERISTICS: Size of image (larger, smaller, same) Attitude of image (the way the image is oriented … upright or inverted) Location of image (closer than, farther away, or same distance as object in the mirror) Type of image (real or virtual) Use … SALT

  8. SUMMARY OF IMAGES IN PLANE MIRRORS S – image is same size as object A – image is upright L – distance of image from mirror is equal to distance of object from the mirror T – image is virtual

  9. Youtube video • Classwork: • Read textbook P.414-416 • Worksheet • Textbook questions P.418 #1,2,4,6

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