In a Particular Case of Compton Scattering, a Photon Collides

question 8

Multiple Choice

In a particular case of Compton scattering, a photon collides with a free electron and scatters backwards. The wavelength after the collision is exactly double the wavelength before the collision. What is the wavelength of the incident photon? (mel = 9.11 × 10^-31 kg, h = 6.626 × 10^-34 J ∙ s, c = 3.00 × 10⁸ m/s)

• A) 3.6 pm
• B) 4.8 pm
• C) 2.4 pm
• D) 1.2 pm
• E) 6.0 pm

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Definitions:

Gold

A chemical element with the symbol Au (from Latin: aurum) and atomic number 79, valued for its rarity, malleability, and as a monetary standard.

Elemental Symbol

A one or two-letter abbreviation assigned to each chemical element based on its name, often derived from its name in Latin.

Lead

A heavy, malleable, ductile metal with a low melting point, often used in batteries and protective shielding.

Elemental Symbol

A notation consisting of one or two letters representing a chemical element (e.g., "O" for oxygen, "Fe" for iron).