Q.

Select the correct statement(s) out of the following

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a

Definite trajectories of electrons in atoms are favoured by the Heisenberg's uncertainty principle

b

Heisenberg's uncertainty principle is applicable to microscopic moving particles only

c

According to Heisenberg's uncertainty principle ∆x∆v=nh2π

d

h=6.626×10-34 kJ mol-1 s-1

answer is B.

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Detailed Solution

The concept of definite trajectories of electrons in an atom is rejected by Heisenberg's uncertainty principle.∆x.∆v=h4πmmaximum for microscopic particles         h=6.626×10-34 Js
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