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This quiz contains 2 questions from a mix of 1 subtopics.
Calculate the de Broglie wavelength of a proton moving with a speed of 3×106 m s-1. The mass of a proton is 1.67×10−27 kg, and Planck's constant is 6.63×10−34 J s.
1.32×10−10 m
1.32×10−15 m
1.32×10−7 m
1.32×10−13 m
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What is the de Broglie wavelength of a baseball weighing 0.145 kg and travelling at 40 m s-1?
1.02×10−32 m
7.56×10−34 m
1.14×10−34 m
7.56×10−32 m
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