A 500kV is applied across an X-ray tube. Calculate the maximum velocity of the electrons produced [Me = 9.1 x 10-31kg, e = 1.6 x 10-19C]
-
A.
4.2 x 108ms-1 -
B.
1.9 x 108ms-1 -
C.
4.2 x 105ms-1 -
D.
1.8 x 105ms-1
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