alecjohnwill1685 alecjohnwill1685
  • 20-08-2019
  • Physics
contestada

Calculate the wavelength of 26 GeV electrons. Express your answer using two significant figures. λ = m

Respuesta :

Vespertilio Vespertilio
  • 22-08-2019

Answer:

4.78 x 10^-17 m

Explanation:

E = 26 GeV

First convert GeV into J

1 GeV = 1.6 x 10^-10 J

E = 26 x 1.6 x 10^-10 = 41.6 x 10^-10 J

Use the formula for energy

E = h c / λ

Where, h is the Plank's constant and λ be the wavelength and c be the velocity of light.

λ = h c / E

λ = ( 6.63 x 10^-34 x 3 x 10^8) / (41.6 x 10^-10)

λ = 4.78 x 10^-17 m  

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