Question
1. (1 point) Calculate the wavelength of an electron travellingwith speed 0.28 c where 6.63 × 10–34 h= 6.63 × 10-34 Js c = 3 × 10° ms-l mẹ =
9.1 × 10¬31 kg
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9.1 × 10¬31 kg
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