- PHYS114-Spring18-WYSIN Activities and Due Dates hw1l: Photons&Matter; Waves 20

Question

- PHYS114-Spring18-WYSIN Activities and Due Dates hw1l: Photons&Matter; Waves 2018 11:59 PM?0/10 Gr Print CalculatorPeriodic Table n 11 of 11 Sapling Learning Ma What would be the light (A = 500.0 nm) speed of the following particles if they had the same wavelength as a photon of green Number Proton (mass-1.673x 10-24 g) m/s Number Neutron (mass 1.675 x 1 24 g) m/s Number Electron (mass 9109-10'28 g) mis Number Alpha particle (mass 6.645-10-24 g) m/s O Previous ? GMP Up & View Solution ? N.rt ?? Ex6 int Check Answer about us careers privacy policy terms of use cota

Explanation / Answer

Solution:

We know that ? = h / (m*v)

=> v = h / (m*?) (h = planck's constant

a) v = 6.626 * 10^-34 / (1.673 * 10^-27 * 500 * 10^-9 )

=> v = 0.792 m/s

b) Similarly as question b , taking mass m = 1.675 * 10^-27 kg

=> v = 0.791 m/s

c) taking mass m = 9.109 * 10^-31 kg

=> v = 1454.82 m/s

d) taking mass m = 6.645 * 10^-27 kg

=> v = 0.199 m/s

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