Junior Cert Science - Physics - Light

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Converts light energy to electrical energy & may be found in calculatorsSolar cells
Converts light energy to heat ensrgy & may be found on roofsSolar panelssolar1.gif
Allows light throughTransparent
An object that gives out its own lightLuminous
An object that does not give out its own lightNon-luminous
Does not allow light throughOpaque
It occurs when the moon passes between the sun and the earthSolar eclipse
The bouncing of light from a surfaceReflection
Found in submarines and can be used to see above the surface of the waterPeriscope
The bending of light as it passes from one transparent medium to anotherRefraction
A piece of glass that has at least one curved surfaceLenslens.gif
The seven colours of the rainbow/spectrumRed, orange, yellow, green, blue, indigo and violet
The breaking up of white light into its constituent coloursDispersion
Refraction of light on a hot sunny dayMirage
Our main source of light and energySun