Inverse square law

For such a general question do the following steps:

1) www.wikipedia.org

2) Type General Relativity

3) Start Reading

4) Find specific questions

 

Or:

1. www.wikipedia.org

2. type "inverse square law"

You will be able to cover much more if you are not waiting for response. Did you ever wonder why you feel less heat when you move away from the heat source, or why things that are closer to the light bulb are more illuminated, or why if someone shouts at your ear it hurts, but if you are few hundred meters away you will barely be able to hear it.........