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Light and ener94: Questions: 1) what is E in red" light (1= 800 nm) compared to violet light C1=400 nm) ? la) find "f" for each color. E = hc = hf λ 11 E= hf= hc

Light and ener94: Questions: 1) what is E in red" light (1= 800 nm) compared to violet light C1=400 nm) ? la) find "f" for each color. E = hc = hf λ 11 E= hf= hc

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Light and ener 94¢ Questions: 1) what is E in 'red" light ^= 800 nm) compared to violet light (1 = 400 nm) ? la) find "f" for each color, E = hc = hf λ %3D 11 E= hf= hc 2) If Iave = 500 W/m what is Emax or Bmax ?
Transcribed Image Text:Light and ener 94¢ Questions: 1) what is E in 'red" light ^= 800 nm) compared to violet light (1 = 400 nm) ? la) find "f" for each color, E = hc = hf λ %3D 11 E= hf= hc 2) If Iave = 500 W/m what is Emax or Bmax ?
Expert Solution
Step 1

As we know, 

Energy (E) = hc/λ ---------(1)

Where λ is wavelength of the light wave. 

 h is Planck constant (h= 6.6 x 10-34) 

And c is the speed of light (c = 3 x 108 m/s)

But f (frequency) = c/λ --------------(2) 

 

 

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