(adsbygoogle = window.adsbygoogle || []).push({});

I don't understand what the range is about. Can someone please explain? Thanks in advance.

**Physics Forums | Science Articles, Homework Help, Discussion**

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# I don't understand what the range is about?

**Physics Forums | Science Articles, Homework Help, Discussion**