Concept explainers
The angle at which red and blue light have first-order bright lines.
Answer to Problem 53A
Explanation of Solution
Given:
The wavelength of the blue light,
The wavelength of the red light,
Number of lines per centimeter,
Formula used:
Where,
n is the number of lines in diffraction grating per centimeter and d is the distance between the slits.
Where,
d is the distance between the slits.
Calculation:
Now, the distance between the slits will be,
Then, the angle at which the first-order bright line occurs for red light can be written as,
Similarly, the angle at which the first-order bright line occurs for blue light can be written as,
Conclusion:
Hence, the angle at which red and blue light have first-order bright lines is
Chapter 19 Solutions
Glencoe Physics: Principles and Problems, Student Edition
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