Calculate the frequency of the wave whose wavelength is 10nm.(a) 2 Hz(b) 3 Hz(c) 1 Hz(d) 4 HzI had been asked this question in a national level competition.This interesting question is from Developments Leading to the Bohr’s Model of Atom topic in section Structure of Atom of Chemistry – Class 11

Calculate the frequency of the wave whose wavelength is 10nm.(a) 2 Hz(

1.	Calculate the frequency of the wave whose wavelength is 10nm.(a) 2 Hz(b) 3 Hz(c) 1 Hz(d) 4 HzI had been asked this question in a national level competition.This interesting question is from Developments Leading to the Bohr’s Model of Atom topic in section Structure of Atom of Chemistry – Class 11
Answer» Right choice is (B) 3 Hz Explanation: The relation between wavelength(λ) and frequency(v) of a WAVE is given by λ = c/v where c is the SPEED of LIGHT of the light. v = c/λ Frequency of the given wave = (3 X 10^8m/s)/(10 x 10^-9m) = 3 Hz.

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