An electron and a proton have the same kinetic energy. Then, the ratio – McqOptions

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1.	An electron and a proton have the same kinetic energy. Then, the ratio of de Broglie wavelengths of proton and electron will be nearly:
A.	1 : 43
B.	1 : 1838
C.	1838 : 1
D.	43 : 1
Answer» B. 1 : 1838

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