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A particle is travelling 4 times as fast as an electron. Assuming the ratio of de-Broglie wavelength of a particle to th…

Q1

A particle is travelling 4 times 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:
[JEE Main 2021, 18 Mar (Shift 1)]

a

\(
\frac{1}{16} \text { times the mass of } e ^{-}
\)

b

\(
8 \text { times the mass of } e ^{-}
\)

c

\(
\frac{1}{8} \text { times the mass of } e ^{-}
\)

d

\(
16 \text { times the mass of e }
\)

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