Nitrogen Molecules of Mass,m = 4

Nitrogen molecules of mass,m = 4.648 * 10^-26 kg each,and are incident on a double slit.The spacing between the two slits is 5.28 * 10^-9 m.A nitrogen molecule fringe pattern,with fringes 0.40 cm apart,is observed on a screen 60.0 cm beyond the double slit.What is the speed of the nitrogen molecules?

A) 358 m/s
B) 405 m/s
C) 270 m/s
D) 179 m/s

Correct Answer:

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