A Photon of Wavelength 18

question 6

Multiple Choice

A photon of wavelength 18.0 pm is scattered through an angle of 120° by a stationary electron.What is the wavelength of the scattered photon? (m_el = 9.11 × 10^-31 kg, h = 6.626 × 10^-34 J ∙ s,c = 3.00 × 10⁸ m/s)

• A)19.2 pm
• B)20.4 pm
• C)21.6 pm
• D)22.9 pm
• E)24.1 pm

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