The de-Broglie wavelength associated with an electron moving with a...

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The de-Broglie wavelength associated with an electron moving with a speed of \( 5.4 \times 10^{6} \mathrm{~ms}^{-1} \) is
(a) \( 0.135 \mathrm{~nm} \)
(b) \( 0.125 \mathrm{~nm} \)
- (c) \( 0.150 \mathrm{~nm} \)
(d) \( 0.145 \mathrm{~nm} \)
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