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Solution


Q.

Two positively charged particles m₁ and m₂ have been accelerated across the same potential difference of 200 keV as shown below.  

[Given mass of m₁=1 amu and m₂=4 amu]

The deBroglie wavelength of m₁ will be x times of m₂. The value of x is __________ (nearest integer).   [2026]

Ans.

2