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Q. Sunlight is used in a double-slit interference experiment. The fourth-order maximum for a wavelength of 470 nm occurs at an angle of θ = 90°. Thus, it is on the verge of being eliminated from the pattern because θ cannot exceed 90°. (a) What least wavelength in the visible range (400 nm to 700 nm) are not present in the third-order maxima? To eliminate all of the visible light in the fourth-order maximum, (b) should the slit separation be increased (show 1) or decreased (show 0) and (c) what least change in separation is needed?
What approximations or simplifying assumptions must you make in the calculations? (Note: Some of these choices are false because they are wrong physics!)
What is the muzzle velocity
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