The half life of aπ+meson at rest is 2.5 × 10–8s. A bea...
In the rest frame of mesons,
Life time (in rest frame of mesons) = 2.5 × 10
–8 s
= 0.89
The correct answer is: 0.89
View all questions of this test
The half life of aπ+meson at rest is 2.5 × 10–8s. A bea...
Substance is the amount of time it takes for half of the substance to decay or become inactive. It is a measure of the rate at which the substance undergoes decay or degradation.
The concept of half-life is commonly used in fields such as nuclear physics, chemistry, and medicine. In nuclear physics, it refers to the time it takes for half of a radioactive substance to decay. This is important for understanding the stability and decay of radioactive elements, as well as for determining the amount of time it will take for a substance to reach a safe level of radioactivity.
In chemistry, half-life is used to describe the rate at which a substance degrades or reacts in a chemical reaction. It helps scientists determine the optimal conditions for reactions and understand the kinetics of chemical processes.
In medicine, half-life is used to determine the rate at which a drug is eliminated from the body. This is important for determining the dosage and frequency of administration of a medication, as well as for understanding how long the effects of the drug will last.
Overall, the half-life of a substance is a fundamental concept in many scientific fields and is used to understand the rate of decay, degradation, or elimination of a substance.