The "Seeing" Ability or Resolution of Radiation Is Determined by Its

question 82

Multiple Choice

The "seeing" ability or resolution of radiation is determined by its wavelength.If the size of an atom is approximately 1.3 × 10−¹⁰ m,how fast must an electron travel to have a wavelength smaller than that of an atom? (m_e = 9.11 × 10−³¹ kg and h = 6.63 × 10−³⁴ J⋅s)

• A)5.6E+6 m/s
• B)5.1E+7 m/s
• C)8.4E+5 m/s
• D)9.5E+6 m/s
• E)​2.4E+3 m/s

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