Concept explainers
(a)
The angular separation between the central maximum and an adjacent maximum.
(a)
Answer to Problem 79PQ
The angular separation between the central maximum and an adjacent maximum is
Explanation of Solution
Write the expression for the speed of the wave.
Here,
Rearrange the above equation.
Write the expression for the path difference for bright fringes in Young’s double slit experiment.
Here,
Rearrange the above equation.
Write the expression for the angle made by the central maximum
Write the expression for the angle made by the adjacent maximum next to the central maximum
Write the expression for the angular separation between the central maximum and an adjacent maximum.
Substitute
Conclusion:
Substitute
Substitute
Therefore, the angular separation between the central maximum and an adjacent maximum is
(b)
The separation between the slits for the same angular separation between the central maximum and an adjacent maximum.
(b)
Answer to Problem 79PQ
The separation between the slits is
Explanation of Solution
Write the expression for the separation between the slits from equation-(V).
Conclusion:
Substitute
Therefore, the separation between the slits is
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Chapter 35 Solutions
Physics for Scientists and Engineers: Foundations and Connections
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