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MHT CET202122 Sep 2021Morning ShiftChemistryStructure of AtomActual

The wavelength of blue light is 480 ~nm . What is frequency of this light?

Options

  1. A4.8 10^9 ~Hz
  2. B2.25 10¹⁴ ~Hz
  3. C6.25 10¹⁴ ~Hz
  4. D5.25 10^9 ~Hz

Correct answer

C. 6.25 10¹⁴ ~Hz

Step-by-step solution

aligned & v= c & =480 ~nm & = 3 10^8 480 10⁻⁹ & =480 10⁻⁹ ~m & =6.25 10 ~Hz aligned

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