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REFRACTION AND LENSES, ELECTRICITY FROM LIGHT, image, image, image, image…
REFRACTION AND LENSES
Lenses
is a curved piece of glass or transparent plastic that refracts light
types
convex
+
bend the light inwards
microscopes
concave
-
spreath the light outwards
projectors
makes objects look bigger and smaller
Refraction
light changes direction as it passes from one medium into another
air and water are materials with different densities
makes objects look different
ELECTRICITY FROM
LIGHT
Solar panels
sun light
power
photovoltaic cells
photovoltaic power station
