Home » Physics » The half-life of a radioactive element is 5 Calculate its decay constantThe half-life of a radioactive element is 5 Calculate its decay constant The half-life of a radioactive element is 5 Calculate its decay constant A. 0.113s-1 B. 0.436 s-1 C. 0.139 s-1 D. 0.193 s-1. Correct Answer: Option C Explanation Related Posts Calculate the heat energy lost when 10g of boiling water changes to ice at 0°C…. A body is projected at an angle of 30° to the horizontal with a velocity… A mango fruit drops from a branch 10m above the ground, just before hitting the… In which of the following states of matter do the molecules vibrate about their mean… The equation of a wave travelling along the positive x-direction is given by; y =… Which of the following characteristics of light determines its colour?