Question

Calculate the wave length, frequency , and wave number of a light wave whose period is 2.0 x 10 -10 s

Answer 1

Answer:

f= 1/ 2*10^-10

= 0.5 * 10^10

= 5 * 10^9 Hz       f=wave number and frequency

they are same

wavelength = v/f = 3*10^8/ 5 * 10^9

=0.6 * 10^-1

= 0.06 m =6 cm

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Answer 2

Explanation:

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