An 180 Pm Wavelength Photon Is Scattered by a Stationary Electron

question 32

Multiple Choice

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