Three objects all move at a speed of

PHYSICS · Single correct · CBSE · Physics · Dual Nature of Radiation and Matter · Dual Nature of Radiation and Matter

Problem

Three objects all move at a speed of 500 m s−1500\,\text{m\,s}^{-1}. (I) an electron, (II) an α\alpha-particle, (III) a 0.145 kg0.145\,\text{kg} baseball. Which ranking orders them from largest to smallest de Broglie wavelength? (a) III > II > I (b) I > II > III (c) I > III > II (d) II > I > III

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