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Stays the same Spacing increases Spacing decreases
You are performing a two-slit interference experiment, and you increase the slit separation. What happens to the spacing between the fringes? Stays the same Spacing increases Spacing decreases 0 of 250 10
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Stays the same Spacing increases Spacing decreases
You are performing a two-slit interference experiment, and you switch the color of light from blue to red. What happens to the spacing between the fringes? Stays the same Spacing increases Spacing decreases 0 of 250 10
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Only white light is in each maxima, so you can’t tell
You are performing a two-slit interference experiment, by shining white light on the slits. Consider any side maxima. Is the red or the blue component of the side maxima closer to the central maximum? Red is closer Blue is closer Only white light is in each maxima, so you can’t tell 0 of 250 10
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![If we have a screen 10 m away from a 1 mm slit, can we use “far field diffraction” analysis? A] yes B] no C] can’t tell.](/16/5069258/big_thumb.jpg "If we have a screen 10 m away from a 1 mm slit, can we use “far field diffraction” analysis? A] yes B] no C] can’t tell.>")
