Question
Asked Sep 20, 2019
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what is the energy of radiation whose frequency is 1.9 x 1015sec-1 (Hz)?

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Expert Answer

Step 1

The energy formula 

h is Planck’s constant is the frequency, c is the speed of light, and λ is the wavelength of the radiation.

E-hu
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E-hu

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Step 2

The energy of a photon of radiation can be calculated as

Given,

 Frequency is 1.90×1015sec-1(Hz).

...
E-hu
6.626x10Jxsx19x10",
125894x101
The energy is 12589x10
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E-hu 6.626x10Jxsx19x10", 125894x101 The energy is 12589x10

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