Question

A ball of mass 100 g is moving with 100 ms⁻¹. Find its wavelength.

Answer 1

$\lambda = \frac{h}{mv} \\ \lambda = \frac{6.626 \times {10}^{ - 34} }{0.1 \times 100} \\ \lambda = 6.626 \times {10}^{ - 35} m$

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