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Radiation of frequency 3 x 10^15 Hz has what wavelength? (c = 3 x 10^8 m/s)
A1 x 10^-9 m
B1 x 10^-3 m
C1 x 10^-7 m
D1 x 10^-5 m
Answer & Solution
Correct answer: C. 1 x 10^-7 m
Wavelength = c / frequency = 3 x 10^8 / 3 x 10^15 = 1 x 10^-7 m.
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