A radioactive substance is emitting $β^-$ particles at a certain rate. When it is heated to a high temperature, the rate of emission
Answer & explanation
Correct answer: option 3
The correct answer is Option (3) → remains same
The rate of emission of β⁻ particles depends only on the nature of the nucleus and its decay constant, not on external factors like temperature, pressure, or chemical state.
Answer: The rate of emission remains unchanged.