Question # 14

An electron (mass 9.11×10−319.11 \times 10^{-31} kg) moves at 2.0×1062.0 \times 10^6 m/s. What is its de Broglie wavelength? (Planck’s constant h=6.63×10−34 J\cdotpsh = 6.63 \times 10^{-34}\, \text{J·s})

Options:

A.

3.64×10−103.64 \times 10^{-10} m

B.

5.46×10−105.46 \times 10^{-10} m

C.

1.82×10−101.82 \times 10^{-10} m

D.

6.63×10−106.63 \times 10^{-10} m

Viewing question 14 out of 72 questions
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