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MHT CET202314 May 2023Evening ShiftChemistryStructure of AtomActual

Calculate the frequency if wavelength is 750 ~nm .

Options

  1. A2 10¹⁴ ~Hz
  2. B4 10¹⁴ ~Hz
  3. C6 10¹⁵ ~Hz
  4. D8 10¹⁵ ~Hz

Correct answer

B. 4 10¹⁴ ~Hz

Step-by-step solution

= c v = 3 10^8 ~m ~s ⁻¹ 750 10⁻⁹ ~m =4 10¹⁴ ~Hz

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