Light with wavelength
a. What is the light’s frequency in the plastic?
b. What is the light’s wavelength in the plastic?
(a)
The value of light’s frequency in the plastic is to be determined.
Answer to Problem 49A
The frequency of the light in the plastic is remains same.
Explanation of Solution
When the wavelength of the light acquires the new velocity then the frequency of the light remains the same in the plastic.
Conclusion:
The frequency of the light remains the same in the plastic.
(b)
The wavelength of the light in the plastic is to be determined.
Answer to Problem 49A
Inside the plastic the wavelength of light is
Explanation of Solution
The wavelength of the light in the vacuum is given as
Where c is the speed of the light in vacuum.
When the light transmitted through the plastic piece then the transmitted light acquires the new wavelength which is given as
Chapter 27 Solutions
Conceptual Physics: The High School Physics Program
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