Question:
The de Broglie wavelength of an electron accelerated through 100 V is approximately:
The de Broglie wavelength of an electron accelerated through 100 V is approximately:
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For electrons, \(\lambda(\text{\AA})=\frac{12.27}{\sqrt{V}}\).
Updated On: Jan 5, 2026
- 1.23 \AA
- 12.3 \AA
- 0.123 \AA
- 123 \AA
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The Correct Option is A
Solution and Explanation
\[
\lambda(\text{\AA})=\frac{12.27}{\sqrt{V}}
\Rightarrow \lambda=\frac{12.27}{10}\approx1.23\ \text{\AA}
\]
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