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Which of the following moving particles (moving with same velocity) has largest wavelength of matter waves?
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- Electron
- α-particle
- Proton
- Neutron
Correct Option: A
de-Broglie wavelength
| λ = | mv |
For same velocity,
| λ∝ | m |
Out of given particles, the mass of electron is minimum, so the associated de-Broglie wavelength is maximum for electron.
