'Rays parallel' diaporamas de présentation

Electromagnetic Radiation and Telescopes

Electromagnetic Radiation and Telescopes. (How we get information about the cosmos and how we gather the information). Clicker Question. a) bend around corners and edges. b) separate into its component colors. c) bend through a lens. d) disperse within a prism. e) reflect off a mirror.

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As light reaches the boundary between two media, its energy is partially reflected back and

As light reaches the boundary between two media, its energy is partially reflected back and partially transmitted into the new medium. The amount that is reflected depends on the types of materials and the angle of incident rays. air. water. Laws of Reflection. First Law.

164 views • 16 slides

169 views • 16 slides

Formation of Images by Spherical Mirrors

Formation of Images by Spherical Mirrors. For an object infinitely far away (the sun or starts), the rays would be precisely parallel.

272 views • 14 slides