AP EAMCET · PHYSICS · Dual Nature of Matter
The de Broglie wavelength associated with an electron accelerated through a potential difference of \(\frac{200}{3} \mathrm{~V}\) is nearly
- A \(25 Å\)
- B \(2.5 Å\)
- C \(15 Å\)
- D \(1.5 Å\)
Answer & Solution
Correct Answer
(D) \(1.5 Å\)
Step-by-step Solution
Detailed explanation
\(\lambda = \frac{12.27}{\sqrt{V}} Å\) \(\lambda = \frac{12.27}{\sqrt{\frac{200}{3}}} Å\) \(\lambda \approx 1.5 Å\)
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