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1. Can the de Broglie wavelength of a particle be smaller than a linear dimension of the particle? Larger? Is there necessarily any relation between such quantities?

2. Is the frequency of a de Broglie wave given by E/h? Is the velocity given by λv? Is the velocity equal to c? Explain.

3. Can we measure the frequency v for de Broglie waves? If so, how?

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