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Physics with MasteringPhysics | 4th Edition | ISBN: 9780321541635 | Authors: James S. Walker
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A physics instructor wants to produce a double-slit

Chapter 28, Problem 25P

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QUESTION:

Problem 25P

A physics instructor wants to produce a double-slit interference pattern large enough for her class to see. For the size of the room, she decides that the distance between successive bright fringes on the screen should be at least 2.50 cm. If the slits have a separation d = 0.0220 mm, what is the minimum distance from the slits to the screen when 632.8-nm light from a He-Ne laser is used?

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QUESTION:

Problem 25P

A physics instructor wants to produce a double-slit interference pattern large enough for her class to see. For the size of the room, she decides that the distance between successive bright fringes on the screen should be at least 2.50 cm. If the slits have a separation d = 0.0220 mm, what is the minimum distance from the slits to the screen when 632.8-nm light from a He-Ne laser is used?

ANSWER:

Step 1 of 3

Here, we have to calculate the distance from the slit to the screen.

The equation for the maxima

The equation for the separation of the fringes

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