Dual Nature of Radiation and Matter · Matter waves
An electron is travelling with a velocity in free space and when it enters a medium, its velocity is reduced by 20%. The de Broglie wavelength of electron in the medium is , where is its de Broglie wavelength in free space. The value of is
- (1)1.20
- (2)1.0
- (3)1.25
- (4)0.75
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