Question

Frequency of a radiation having a wavelength of 1000
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Answer 1

Answer:

Frequency f=c/lambda

c velocity of light=3 ×10^8 m/sec

lambda=1000A°=1000×10^-10 m=10^-7m

Frequency , f=3×10^8 / 10^-7 =3×10^15 Hz

Answer 2

Explanation:

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