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physics (.... of light (refraction, defraction, reflection, dispersion),…
physics
.... of light
refraction
defraction
reflection
dispersion
waves
waves are vibrations that transfer energy without transfering matter
mechanical waves
mechanical waves need to travel through a medium
longitudinal
light
transverse
sounds
electromagnetic
transverse
bonding
motion
vectors and scalars
mass and weight
energy and work
sound
sound