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Chemistry: The Central Science | 13th Edition | ISBN: 9780321910417 | Authors: Theodore E. Brown; H. Eugene LeMay; Bruce E. Bursten; Catherine Murphy; Patrick Woodward; Matthew E. Stoltzfus
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Answer: Energy of a PhotonCalculate the energy of one

Chapter , Problem 2PE

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QUESTION:

Problem 2PE

Energy of a Photon

Calculate the energy of one photon of yellow light that has a wavelength of 589 nm.

(a)        A laser emits light that has a frequency of 4.69 * 1014 s-1. What is the energy of one photon of this radiation? (b) If the laser emits a pulse containing 5.0 x 1017 photons of this radiation, what is the total energy of that pulse? (c) If the laser emits 1.3* 10-2 J of energy during a pulse, how many photons are emitted?

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QUESTION:

Problem 2PE

Energy of a Photon

Calculate the energy of one photon of yellow light that has a wavelength of 589 nm.

(a)        A laser emits light that has a frequency of 4.69 * 1014 s-1. What is the energy of one photon of this radiation? (b) If the laser emits a pulse containing 5.0 x 1017 photons of this radiation, what is the total energy of that pulse? (c) If the laser emits 1.3* 10-2 J of energy during a pulse, how many photons are emitted?

ANSWER:

Step 1 of 4

The relation between energy and the frequency is as follows;

                                                       ...............................(1)

Where,

 Planck's constant.

 Frequency of photon.

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