An Electron (M=9

question 29

Multiple Choice

An electron (m=9.11 * 10^-31 kg) interacts with a positron and a single photon is emitted.Find the smallest possible frequency for this photon.

• A)8.2 * 10¹¹ Hz
• B)6.8 * 10¹⁸ Hz
• C)1.3 * 10²⁰ Hz
• D)2.5 * 10²⁰ Hz
• E)This reaction cannot occur because of conservation laws.

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Definitions:

Amino Group

A functional group consisting of a nitrogen atom bonded to one or more hydrogen atoms, typically represented as -NH2 in organic compounds.

Trypsin

An enzyme found in the small intestine that breaks down proteins into smaller peptides, facilitating digestion.

Decapeptide

A peptide that consists of ten amino acids linked by peptide bonds, involved in various biological activities.

Edmund Degradation

Likely a mistyped or incorrect term; the correct term may be Edman Degradation, a method used for sequencing amino acids in a peptide.