A. a beta particle
B. an alpha particle
C. a gamma ray
D. a neutron

Correct Answer: Option A

A. a beta particle

SEE ALSO  Water falls through a height of 50m. Determine the temperature rise at the bottom of the fall. [Neglect energy losses. Specific heat capacity of water = 4200Jkg-1 K-1, g = 10m/s²]

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