1- Calculate the de Broglie wavelength of an electron that travels with 5.0 x 105 m/s. Also, calculate the de Broglie wavelength of a ball with a mass of 50 g traveling with 50 Km/h. Explain why we don\'t observe wave-particle duality in our macroscopic world using the results.

2- calculate the velocity of the ball when you want the ball to have a wavelength of 10 pm. explain the validity of your answer.

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1 The De broglie wavelength of an electron is hm e V i The mass of electron m e 910910 31 Kg The vel... View the full answer