Search SchoolNGR

Friday, 13 March 2026
Register . Login

A radioactive isotope has a decay constant of 10-6s-1. Calculate its half - life?

A radioactive isotope has a decay constant of 10-6s-1.
Calculate its half - life?
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A 5.93 x 106s
  • B 6.93 x 107s
  • C 6.93 x 109s
  • D 5.93 x 107s
Correct Answer: Option B
Explanation:
t1/2 = \(\frac{0.693}{\gamma}\) = \(\frac{0.693}{10^-6}\)
= 6.93 x 107

Share question on: