The ?0 meson has a mass of 264 times that of an electron

What is the approximate range of the force mediated by this particle? (melectron = 9.11 × 10-31 kg, c = 3.00 × 108 m/s, h = 6.626 × 10-34 J ? s)
A) 1.5 × 10-14 m B) 1.5 × 10-10 m C) 1.5 × 10-12 m D) 1.5 × 10-15 m


D

Physics & Space Science

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