Inverse Sqaure law for Gamma radiation?

Question

Q1 : what colnclusion can you deduce from the graph?

[it is in diret proportion and does not go through its origin
x-axis= 1/suare root of N(corrected count in 100s)
y-axis= d/m(distance of gamma radiation from its measurement)]

Q2. Give a numerical example of the inverse square law.

plz help me to finish my assessment!! thanks.

Answer 1

Well, I am not able to visualise the graph but here is the inverse square law:

The intensity of radiation is inversely proportional to the square of the distance from the source.

As you go further away from the source, the activitiy (counts) decrease. As the distance becomes double, the counts become 1/4th.