Home General science MCQs

Question

What will be the de Broglie wavelength of a ball of mass 0.12 kg moving with a speed of 20 ms–1 ?

  1. 6.63 × 10–30 m
  2. 6.63 × 10–34 m
  3. 2.76 × 10–30 m
  4. 2.76 × 10–34 m

Answer:

Option D: 2.76 × 10–34 m

Detailed Solution:

The correct answer is “2.76 × 10–34 m”.

Correct Answer: 2.76 × 10⁻³⁴ m