Physics, 22.08.2019 04:00 lksocossiodks8855
Through how many volts of potential difference must an electron, initially at rest, be accelerated to achieve a wave length of 0.27nm? a) 4.6 v
b) 0.046 v
c) 0.27 v
d) 4.6 mv
e)4.6 kv
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