If the half-life of an isotope X is 10 yr, its decay constant is 1) 6.932 yr -1 2) 0.6932 yr -1 3) 0.06932 yr -1 4) 0.006932 yr -1
If the half-life of an isotope X is 10 yr, its decay constant is
1) 6.932 yr -1 2) 0.6932 yr -1 3) 0.06932 yr -1 4) 0.006932 yr -1
SOLUTIONS
Are the following ...
Draw ray diagrams showing ...
Judge the equivalent ...
How does our body respond ...
What were the advantages ...
