12th Class Physics Photo Electric Effect, X- Rays & Matter Waves Question Bank Dual Nature of Radiation and Matter Conceptual Problems

  • question_answer
    If the wavelength of an electromagnetic radiation is doubled, what will happen to the energy of photons?                    

    Answer:

                    Energy of a photon, \[E=hv=\frac{hc}{\lambda }\] i.e., \[E\propto \frac{1}{\lambda }\] Clearly, energy of photon reduces to one-half when the wavelength of radiation is doubled.


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