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MHT CET Physics question

PhysicsDual Nature of Matter and RadiationMHT CET

The de-Broglie wavelength of an electron is 66 nm. The velocity of the electron is [, kg]

Answer: (B)

Solution

\frac{h}{mλ}\frac{6.6×10^{-34}}{9.0×10^{-31}×66×10^{-9}}10^{4}$\

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Question ID VK-084658