Question: Question 8 8 . If a hydrogen atom and a helium atom are traveling at the same speed, the wavelength of the helium atom will

Question 8
8. If a hydrogen atom and a helium atom are traveling at the same speed,
the wavelength of the helium atom will be about 2 times longer than the wavelength of the hydrogen atom.
the wavelength of the hydrogen atom will be about 4 times longer than the wavelength of the helium atom.
the wavelength of the helium atom will be about 4 times longer than the wavelength of the hydrogen atom.
the wavelength of the hydrogen atom will be about 2 times longer than the wavelength of the helium.
the wavelength of the hydrogen atom will be roughly equal to the wavelength of the helium atom.
Question 8 8 . If a hydrogen atom and a helium

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