$\begin{aligned}
& \lambda=\frac{\mathrm{h}}{\mathrm{p}}=\frac{6.63 \times 10^{-34}}{10^{-30} \times 2.21 \times 10^6} \
& =3 \times 10^{-10} \mathrm{~m}
\end{aligned}$ Hence particle will behave as x-ray.
JEE Main 2025 — Physics Modern Physics
A sub-atomic particle of mass 10−30 kg is moving with a velocity 2.21×106 m/s. Under the matter wave consideration, the particle will behave closely like (h=6.63×10−34 J.s)
Held on 23 Jan 2025 · Verified 6 Jul 2026.
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Infra-red radiation
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