Green light of a certain wavelength is incident upon two valors separated by 2.10 x 10^-5 m. A screen is placed .800m from the slits. The di

Question

Green light of a certain wavelength is incident upon two valors separated by 2.10 x 10^-5 m. A screen is placed .800m from the slits. The distance from the central bright line to the first-order line is 19.9 mm. What’s the wavelength of the light ?

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Thiên Hương 4 years 2021-08-07T19:05:30+00:00 1 Answers 6 views 0

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  1. King
    0
    2021-08-07T19:06:59+00:00
    Reply

    for bright fringe on a young double slit u would use the formula

    Y = ( m× wavelength × distance from the screen ) / ( distance btn the slits )

    Explanation:

    1. since u already have distance btn the slits which is = 2.10….
    2. u have Y =19.9 ( u will change it to meters )
    3. u have distance from the screen is 800

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