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23 May, 02:57

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

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  1. 23 May, 06:36
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    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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