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If an electron (mass = 9.11 x 10-31 kg) has an associated wavelength of 7.27 x 10-11 m, what is the electron's velocity?

1.66 x 10-9 m/sec
0 (0%)
1.00 x 107 m/sec
0 (0%)
1.66 m/sec
0 (0%)
1.14 x 106 m/sec
0 (0%)
6.01 m/sec
0 (0%)

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Topic: DeBroglie's λ (resolved)  (Read 2165 times)

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Offline kyasarin

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DeBroglie's λ (resolved)
« on: December 09, 2007, 01:26:46 AM »
I know the answer is b, but i got 1.00 x 1018 m/sec. ???

I realized I was using the wrong h (6.626 X 10-23 ergs/sec) instead of 6.626 X 10-34 J/sec.
« Last Edit: December 09, 2007, 03:31:39 AM by kyasarin »
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