State the conditions necessary for interference to take place. In a Young's 2-slit experiment, the separation of the interference bands w is given by the equation: w=?D/a where λ is the wavelength of the light, D is the distance from the double slit to the screen and a is the distance between the slits. Given that D = 5 m, a= o.25 cm and λ = 618 nm, calculate the fringe width w. Give your answer in millimetres.
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State the conditions necessary for interference to take place. In a Young's 2-slit experiment, the separation of the interference bands w is given by the equation: w=?D/a
where λ is the wavelength of the light, D is the distance from the double slit to the screen and a is the distance between the slits. Given that D = 5 m, a= o.25 cm and λ = 618 nm, calculate the fringe width w. Give your answer in millimetres.
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- In the figure, two radio-frequency point sources S1 and S2, separated by distance d = 1.6 m, are radiating in phase with A = 0.4 m. A detector moves in a large circular path around the two sources in a plane containing them. How many maxima does it detect? Number x S₁ S2 UnitsA flat screen is located 0.67 m away from a single slit. Light with a wavelength of 510 nm (in vacuum) shines through the slit and produces a diffraction pattern. The width of the central bright fringe on the screen is 0.051 m. What is the width of the slit? Number i UnitsState the conditions necessary for interference to take place. In a Young's 2-slit experiment, the separation of the interference bands ?w is given by the equation: ?=??/? where ? is the wavelength of the light, ? is the distance from the double slit to the screen and ? is the distance between the slits. Given that ?=5 m, ?=0.25 cm and ? 618 nm, calculate the fringe width ?. Give your answer in millimetres.
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