If a Hydrogen Atom and a Helium Atom Are Traveling

question 61

Multiple Choice

If a hydrogen atom and a helium atom are traveling at the same speed,

• A) the wavelength of the hydrogen atom will be about 4 times longer than the wavelength of the helium atom.
• B) the wavelength of the hydrogen atom will be about 2 times longer than the wavelength of the helium.
• C) the wavelength of the hydrogen atom will be roughly equal to the wavelength of the helium atom.
• D) the wavelength of the helium atom will be about 2 times longer than the wavelength of the hydrogen atom.
• E) the wavelength of the helium atom will be about 4 times longer than the wavelength of the hydrogen atom.

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