In a double-slit experiment, green light (5303Å) falls on a double slit having a separation of 19.44 µm and width of 4.05µm The number of bright fringes between the first and second diffraction minima is:
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Verified by ExpertsThe correct answer is:
C
Angle subtended by first and second diffraction minima on the screen 
angular fringe width 
no. of bright fringes 
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