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Waves - Coggle Diagram
Waves
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Light
Reflection of light
Essential Conception: terms normal, angle of
incidence, angle of reflection
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Thins Lenses
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Property:a virtual image is formed when
diverging rays are extrapolated backwards and
does not form a visible projection on a screen
Experiments:
(1)Describe the use of a single lens as a magnifying glass.
(2)Describe the use of a single lens as a magnifying
glass
(3)Describe the use of converging and diverging
lenses to correct long-sightedness and short sightedness
Word Bank
3.1 wavefront, wavelength, frequency, crest (peak),
trough, amplitude,wave speed
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3.2.1 terms normal, angle of
incidence and angle of reflection
3.2.2 refractive index, n means the
speeds of a wave in two different regions