PCS 181 Study Guide - Midterm Guide: 30 Foot Fall, Electromagnetic Spectrum, Planck Constant

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Make an educated guess on what you have observed. Show that it is true, formulate an experiment to prove your hypothesis. Return to hypothesis, explain why it is right or wrong. Experiments must be reproducible by other individuals who are not in any relation with you. Ta(cid:396)light tells us the sta(cid:396)"s te(cid:373)pe(cid:396)atu(cid:396)e, (cid:272)he(cid:373)i(cid:272)al (cid:272)o(cid:373)positio(cid:374), (cid:373)otio(cid:374), p(cid:396)essu(cid:396)e, magnetic fields, etc. Light: mutually perpendicular oscillating electric and magnetic fields. Example, water waves coming into your eye, or tiny particles coming into your eye. The distance between waves in known as wavelengths. Tests can be done to show light as both a wave, and as tiny particles. Light moves in wavelike pattern at a speed of c = 3 x 108 m/s. The speed of light is a constant in space but can be slowed down on earth when it passes through matter such as plastic or glass.

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