What Is the De Broglie Wavelength of a Ball of Mass

question 130

Multiple Choice

What is the de Broglie wavelength of a ball of mass $200 \mathrm {~g}$ moving at $30 \mathrm {~m} / \mathrm { s }$ ? $\left( h = 6.626 \times 10 ^ { - 34 } \mathrm {~J} \cdot \mathrm { s } \right)$

• A) \(1.1 \times 10 ^ { - 34 } \mathrm {~m}\)
• B) \(4.5 \times 10 ^ { - 28 } \mathrm {~m}\)
• C) \(2.2 \times 10^{ - 34 }\mathrm {~m}\)
• D) \(6.7 \times 10 ^{- 27} \mathrm {~m}\)

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