Which of the following statements is true? A) The de Broglie wavelength of a He

Question

Which of the following statements is true?

A) The de Broglie wavelength of a He atom at 300 K is greater than that for an Ar atom at 300 K.

B) The de Broglie wavelength of a He atom at 300 K is greater than that for a He atom at 500 K.

C) Diffraction from a single slit involving Xe atom has not been observed because the de Broglie wavelength is too small.

D) Diffraction from a single slit involving Xe atom has not been observed because the de Broglie wavelength is too large.

Explanation / Answer

A and C

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