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Dual Nature of Radiation question

2021 · 18 Mar · Shift 1 · Q54
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  5. /2021 · 18 Mar · Shift 1 · Q54

Dual Nature of Radiation question

2021 · 18 Mar · Shift 1 · Q54

JEE MainPhysicsDual Nature of RadiationMCQ+4 / −1
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 :
  1. A
    116{1 \over {16}}161​ times the mass of e −-−
  2. B
    8 times the mass of e −-−
  3. C
    16 times the mass of e −-−
  4. D
    18{1 \over {8}}81​ times the mass of e −-−
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