(2) You must have seen chandeliers having
glass prisms. The light from a tungsten bulb
gets dispersed while passing through these
prisms and we see coloured spectrum. If we
use an LED light instead of a tungsten bulb,
will we be able to see the same effect?
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Lamp with tungsten filament emits thermal radiations in wide range of frequency when it is heated up by passing current. the glass prisms of chandlier, dispersion of light is taking place. Hence we get spectrum of light.
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