1.

(a) What is the frequency of violet colourof wavelength 4000 A^@ ? (b) What is the What is the frequency of red colour of wavelength 8000 A^@ ?

Answer»

SOLUTION :(a) `V = ( c)/(lamda) = (3 xx 10^8)/(4000 xx 10^-10) = 7.5 xx 10^14 HZ`
(B) `v = ( c)/(lamda) = (3 xx 10^8)/(8000 xx 10^-10) = 3.75 xx 10^14 Hz`.


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