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NEET 2008 Physics question

PhysicsDual Nature of Matter and RadiationNEET 2008

A particle of mass 1 mg has the same wavelength as an electron moving with a velocity of . The velocity of the particle is (mass of electron kg)

Answer: (2)

Solution

de Broglie wavelength . Equal wavelengths mean equal momenta: . kg, so $× = 9.1×× 3× =

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Question ID VK-089976