The de-Broglie wavelength for a He atom travelling at 1000 m s⁻¹ (typical speed at room temperature) is · ABC26PH0288

Subject: Physical Chemistry · Chapter: Atomic Structure · Topic: Atomic Structure – General · Exam: GATE 2005-2021 · Marks: 2 · Difficulty: Medium

The de-Broglie wavelength for a He atom travelling at $1000\ \mathrm{m\,s^{-1}}$ (typical speed at room temperature) is

(a)$99.7 \times 10^{-12}\ \mathrm{m}$

(b)$199.4 \times 10^{-12}\ \mathrm{m}$

(c)$199.4 \times 10^{-18}\ \mathrm{m}$

(d)$99 \times 10^{-6}\ \mathrm{m}$

Answer

Answer (as printed): A

Explanation

No explanation was printed for this question.

Study loop for Atomic Structure