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Calculate the Wavelength of a Helium Atom (Mass = 6

Question 170

Multiple Choice

Calculate the wavelength of a helium atom (mass = 6.65 × 10^-²⁷kg) traveling at 1.25 km/s.

A) 79.7 nm
B) 79.7 pm
C) 8.31 × 10^-²⁷ m
D) 1.25 × 10¹⁰ m
E) 831 pm

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