In one experiment , a proton having kinetic energy of 1 eV is accelera – InterviewSolution

1.	In one experiment , a proton having kinetic energy of 1 eV is accelerated through a potential difference of 3 V. In another experiment, an alpha-particle having initial kinetic energy 20 eV is retarded by a potential difference of 2 V. Calculate the ratio of de-Broglie wavelengths of proton and alpha - particle.
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