Which of the following symbol represents half-life?
A. Ea
B. t 1/2
C. beta
D. alpha

Answer:
t 1/2
Explanation:
is the time required for a quantity to reduce to half of its initial value. The term is commonly used in nuclear physics to describe how quickly unstable atoms undergo, or how long stable atoms survive, radioactive decay.
The statement for the following symbol represents half-life is "t 1/2."
The half-life is the amount of time it takes for a quantity to decline to half its original value.
In terms of the chemical reaction, half-life is the time it takes for a reactant to reach half of its original concentration or pressure.
Therefore, it is the time taken which gets reduced by half, and so it is represented by the symbol t 1/2.
Hence the correct option is B.
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