The kinetic energy of an electron, 
-particle and a proton are given as 4K, 2K and K respectively. The de-Broglie wavelength associated with electron 
, 
-particle 
and the proton 
are as follows:
Text Solution
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The formula to calculate the de Broglie wavelength of a particle is given by
...
Now, the masses of the given particles are interrelated by the following relations:
The de Broglie wavelength tor electron is given by
...
The de Broglie wavelength for proton is given by
...
And, the de Broglie wavelength of alpha particle is given by
…
From equation , and , it can be concluded that 
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