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Question
5.
X
6.
Two particles of mass m and 2m have equal Kinetic energy. The de Brogle wavelengths are
in Ele ratio respectively
(A) 1:1
(C) 1: 2
If the kinetic energy of an electron is increased by fourfold. the Brogle's waveleng
associated with it becomes
(A) 4 times
(B) 16 times
times
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