Verified Solution • 2025–26 Session moderate

QJEEM21Phe4de: JEE Main 2021 Physics - Class 12 JEEM21Phe4de Solution: A particle is travelling 4 time as fast as an electron.…

A particle is travelling 4 time as fast as an electron. Assuming the ratio of de-Broglie wavelength of a particle to that of electron is 2 : 1, the mass of the particle is :

Multiple Choice Options

  • A 116 times the mass of e−
  • B 8 times the mass of e−
  • C 16 times the mass of e−
  • D 18 times the mass of e−

Step-by-Step Verified Solution

λ=hp

λpλe=pepp=mevempvp

2=memp(ve4ve)

∴ mp=me8

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