A photon of initial wavelength 0.651 nm,after being scattered from a free electron at rest,moves off at an angle of 120° with respect to its incident direction.(m_el = 9.11 × 10^-31 kg,
h = 6.626 × 10^-34 J ∙ s,c = 3.00 × 10⁸ m/s)
(a)What is the wavelength of the scattered photon?
(b)What is the energy of the scattered photon?

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The Answer of A photon of initial wavelength 0.651 nm,after being scattered from a free electron at rest,moves off at an angle of 120° with respect to its incident direction.(m_el = 9.11 × 10^-31 kg, h = 6.626 × 10^-34 J ∙ s,c = 3.00 × 10⁸ m/s) (a)What is the wavelength of the scattered photon? (b)What is the energy of the scattered photon?

A Photon of Initial Wavelength 0