How are the interference patterns for light through a double slit and light through a single slit similar yet different

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How are the interference patterns for light through a double slit and light through a single slit similar yet different

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Eirian 5 years 2021-08-02T20:25:51+00:00 1 Answers 12 views 0

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  1. Nick
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    2021-08-02T20:27:04+00:00
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    Answer: In double slit case, you need to understand superposition on waves emerging from dirrerent slit.

    Explanation: When passing a single slit, wave spread in all directions.

    In double slit waves with equal wavelength travel different path and distance  

    trey travel is different . Waves meet each other in different positions in different phases. If phase are same, waves have contructive interference, crests of waves meet in same point. Amplitudes of waves are added together. If waves are in opposite phases, sum of amplitudes

    ame subtacted and this is destructive interference. Sum of amplitudes are zero.

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