How do charged particles primarily interact? 

______________ writing requires that data and observations are recorded accurately and well supported by evidence. Some common documents include a lab report, a case study, and a research paper.  

A densitometer measures 115,000 light photons without a film and 2,000 light photons with a film in place. What is the optical density of the film?

The HVL thickness of a given material is 12 cm. What is the linear attenuation coefficient? 

The average energy of a hard beam is approximately ____ of the peak energy.

1 R = ____.

What does insertion of added filtration into the path of an x-ray beam cause?

The chamber reading will increase as the: Select all that apply.

BONUS QUESTION: When you get a job after you graduate, which of the following is a REAL benefit you should fight for as a worker?

BONUS QUESTION: In a dataframe called “df”, what will the below list comprehension statement accomplish?df.columns =