The wave length of an electron wave is inversely proportional to ____________ and ____________.
A
mass, density
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B
mass, velocity
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C
mass, frequency
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D
none of these
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Solution
The correct option is B mass, velocity According to de-broglie equation,the wavelength of any object is always inversely proportional to its momentum.Also it is given by, λ=hP But P=mV ∴λ=hmV Thus λ is inversely proportional to mass and velocity.