Physics, 12.08.2020 04:01 kiekie1986
Light of wavelength 520 nm is used to illuminate normally two glass plates 21.1 cm in length that touch at one end and are separated at the other by a wire of radius 0.028 mm. How many bright fringes appear along the total length of the plates.
Answers: 3
![2 * t = [m + \frac{1}{2} ]\lambda](/tpl/images/0717/8368/3acb9.png)
![2 * 2 * d = [m + \frac{1}{2} ] 520 *10^{-9}](/tpl/images/0717/8368/7532a.png)
![2 * 2 * (2.8 *10^{-5}) = [m + \frac{1}{2} ] 520 *10^{-9}](/tpl/images/0717/8368/7a2f7.png)
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Light of wavelength 520 nm is used to illuminate normally two glass plates 21.1 cm in length that to...
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