- +e
- -e
**+2e**- -2e

## What is the charge on alpha particles emitted during the phenomenon of radioactivity

The charge on alpha particles emitted during the phenomenon of radioactivity is **+2e. **Alpha particle is also known as Helium nuclei and the Helium nucleus has a positive charge.

- Given a wave with the dispersion relation ω = ck + m for k > 0 and m > 0, which of the following is true?
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