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Bouncing light

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mahala
14 diapositives · 529 Views · Jul 19, 2014

Bouncing light. Important vocabulary. Reflection- the bouncing back of light from a surface. Plane Mirror- a mirror with a flat surface. Concave Mirror- a mirror that curves inwards in the middle Convex Mirror- a mirror that curves outwards in the middle. Bouncing light.

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Bouncing light
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  1. Bouncing light

  2. Important vocabulary • Reflection- the bouncing back of light from a surface. • Plane Mirror- a mirror with a flat surface. • Concave Mirror- a mirror that curves inwards in the middle • Convex Mirror- a mirror that curves outwards in the middle

  3. Bouncing light • Even though our bodies do not produce light, why is it that we are still able to see one another? • ANSWER: • Light’s Reflection

  4. Bouncing Light • Light from things like natural sunlight, lamps, flashlights and other sources send out waves of light. • These waves hit and bounce of off other materials, such as you, and are reflected to your eyes. Some of this light though is absorbed by the object.

  5. Bouncing Light • Think about our slinky example; • What happens when the slinky’s energy hits a surface?? • Is the energy of the reflection of the slinky as powerful? Why or why not?

  6. A plane Mirror • There are different types of mirrors. • A plane mirror is a mirror with a flat surface. • Light reflects from a plane mirror in the same pattern and at the same angle at which the light strikes the mirror’s surface

  7. A plane mirror • The light bouncing off of your body is reflected in the mirror and sent back to your eyes. • Because light reflects from the mirror in the same pattern as the light that struck it, you see an image!

  8. A plane Mirror • The image we see is the same size and shape but, the image in the mirror is reversed left to right.

  9. Curved Mirrors • The images you see in a curved mirror is often changed and is usually not the same size as the object. • There are two kinds of curved mirrors; Concave MirrorConvex Mirror

  10. Concave mirror • A concave mirror curves inward at the middle. • When an image is close to the mirror, the image in the mirror appears larger. • Ladies and Mr. Walter, make up mirrors are often concave to help you see closer.

  11. Concave mirror • Concave mirror are also used as reflectors to concentrate light • The reflected light rays come together at one point as seen above.

  12. Concave mirror • What is happening in our solar cooker experiment?

  13. Convex mirror • A convex mirror curves outward at the middle. • A convex mirror produces an image that is smaller than the object. • They also allow you to see much more of an area than other kinds of mirrors.

  14. Convex mirror