放射 ほうしゃ せん物理 ぶつり がくじゃありませんでした
hōshasembutsuriga kuja arimasendeshita

Noun
Desu Copula

The polite, past negative form of 放射線物理学

1. Was not radiological physics.; Was not radiation physics.

Past/Perfective
Negative
Polite
Terminal Form