An electron moving with velocity of $5.4

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Target Exam

CUET

Subject

Physics

Chapter

Dual Nature of Radiation and Matter

Question:

An electron moving with velocity of $5.4 × 10^6 m/sec$. What is the de-Broglie wavelength associated with them? $(h=6.63 × 10^{-34} J/s)$

Options:

0.135 Å

1.35 Å

13.5 Å

27.0 Å

Correct Answer:

1.35 Å

Explanation:

The correct answer is Option (2) → 1.35 Å