Asked Nov 7, 2019

When a pulse of white light is incident on a piece of glass, the first color of the seven colors in a rainbow to emerge is

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Step 1

As light goes from one medium to other, frequency remains the same. Velocity of the wave is,

v if
v ocA
fis constant

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v if v ocA fis constant

Step 2

Red has the greatest wavelength among the seven colors in the rainbow. Hence, it wil...

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