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10 things I need to know to pass the waves exam


michaelford3

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1.)narrow opening + long wavelength = greatest diffraction effects

2.)electromagnetic waves to not require a medium to travel through

3.)frequency is directly proportional to energy

4.)T=1/f

5.)when a wave enters a new material the speed and wavelength can change; the frequency cannot

6.)all electromagnetic waves have a speed of 3 x 10^8 m/s

7.)n=c/v

8.)sound is a mechanical and longitudinal wave

9.)waves that have the same frequency and amplitude traveling in opposite directions create a standing wave

10.)period is the reciprocal of frequency - describes how long it takes for a single wave to pass a given point

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