Practicing Success

Target Exam

CUET

Subject

Physics

Chapter

Dual Nature of Radiation and Matter

Question:

A particle moves three times as fast as an electron. The ratio of the de Broglie wavelength of the particle to that of the electron is $1.813 × 10^{-4}$. The mass of the particle is:

Options:

$1.67 × 10^{-27} kg$

$1.675 × 10^{-31} kg$

$1.675×10^{-29} kg$

$1.675 × 10^{-30} kg$

Correct Answer:

$1.67 × 10^{-27} kg$

Explanation:

The correct answer is Option (1) → $1.67 × 10^{-27} kg$