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Knight_ch24 - Chapter 24 The first-order diffraction of...

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Chapter 24
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The first-order diffraction of monochromatic x rays from crystal A occurs at an angle of 20°. The first-order diffraction of the same x rays from crystal B occurs at 30°. Which crystal has the larger atomic spacing? 1. Crystal A 2. Crystal B
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The first-order diffraction of monochromatic x rays from crystal A occurs at an angle of 20°. The first-order diffraction of the same x rays from crystal B occurs at 30°. Which crystal has the larger atomic spacing? 1. Crystal A 2. Crystal B
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Does a photon of red light have more energy or less energy than a photon of blue light? 1. More energy 2. Less energy
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Does a photon of red light have more energy or less energy than a photon of blue light? 1. More energy 2. Less energy
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A proton, an electron and an oxygen atom each pass at the same speed through a 1- µ m-wide slit. Which will produce a wider diffraction pattern on a detector behind the slit? 1. The proton. 2. The electron.
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