The velocities of two particles A and B are 0.05 and 0.02m/s respectively. The mass of B is five
times the mass of A. The ratio of their de-Broglies wavelength is
1) 2:1
2) 1:4
3) 1:1
4) 4:1
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Explanation:
from de brogli we get Lamda=h/mv
mass of B= 5×mass of A
A/B=(mv)of B/ (mv)of A
=(0.02×5)/0.05
= 2:1
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