Consider a single photon with a wavelength of lambda, a frequency of nu, and an energy of e. what is the wavelength, frequency, and energy of a pulse of light containing 100 of these photons? 0.01 lambda, nu, and 100e 0.01 lambda, 0.01 nu, and 0.01 e 100 lambda, 100 nu, and e 100 lambda, 100 nu, and 100 e lambda, nu, and 100e

lambda , nu , and 100E

Explanation:

The energy of a photon is given by:

  (1)

Where:

is the Planck constant

is the frequency

On the other hand, we have an expression that relates the frequency of the photn with its wavelength :

(2) where is the speed of light

Substituting (2) in (1):

  (3) This is the energy for a single photon

For 100 photons, the energy is:

  (3)

Where the wavelength and the frequency of the light remains constant.

Therefore, the answer is:

, , and 100E

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