Which of the Fundamental Interactions Governs the Following Decay $\pi ^ { + } \longrightarrow e ^ { + } + \nu$

question 32

Multiple Choice

Which of the fundamental interactions governs the following decay? $\pi ^ { + } \longrightarrow e ^ { + } + \nu$

• A) Strong nuclear
• B) Electromagnetic
• C) Gravitational
• D) Weak nuclear

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