Light of 5000 Å is incident on a circular hole of radius 1 cm. How many half period zones are contained in the circle if the screen is placed at a distance of 1 m? Please tell the formula to solve.
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Answer:
20000
7. Light of 5000 Å is incident on a circular hole of radius 1 cm. How many half period zones are contained in the circle if the screen is placed at a distance of 1 m? = 20000.
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0
Answer:
20000
Explanation:
explanation please
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