According to heisenberg uncertainty principle.
B
$$\Delta x \times \Delta \rho \geq \dfrac {h}{4 \pi}$$
C
$$\Delta x \times \Delta \rho \geq \dfrac {h}{6 \pi}$$
D
$$\lambda =\dfrac {h}{p}$$
Correct option is B. $$\Delta x \times \Delta \rho \geq \dfrac {h}{4 \pi}$$
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