A proton is moving at a speed of 5.0 × 104 m/s. The de Broglie wavel – McqOptions

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1.	A proton is moving at a speed of 5.0 × 104 m/s. The de Broglie wavelength associated with it is _____.(mp = 1.67 × 10-27 kg, h = 6.63 × 10-34 J s)
A.	0.38 × 10-11 m
B.	0.79 × 10-11 m
C.	1.20 × 10-11 m
D.	1.58 × 10-11 m
Answer» C. 1.20 × 10-11 m

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