Explain how white light can be produced by using two prisms with ray diagram
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The white light that enters the prism is refracted at different angles, causing the separation of this light into the different colours. Each of these colours has a different wavelength. ... This results in forming a spectrum of seven colours while dispersion.
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Take two prisms p1 and p2
Now pass the light through prism p1 which is put in normal condition. Light in VIBGYOR reflect out now put the prism p2 inversely in the way of light emerged from prism p1 so white light emerged out.
This experiment is done by newton also.
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