Home » Classroom » JAMB Physics 2011 Question

A radioactive isotope has a decay constant of 1... - JAMB Physics 2011 Question

A radioactive isotope has a decay constant of 10-5s4. Calculate half life
A
6.93 x 105s
B
6.93 x 105s
C
6.93 x104s
D
6.93 x 104s
correct option: c

T (1)/2 = (0.693)/λ = (0.693)/10-5

= 0.693 x 105

= 6.93 x 104 sec

Please share this, thanks:

#JAMB #JAMB

Add your answer

Notice: Please post responsibly.

No responses