Units of Work Done; One J Is Equal to 10 Ergs

This page is the CodyCross answer for the clue below from Health and Fitness, Group 2129, Puzzle 5 (Red Light Wavelengths).

Question is: Units of Work Done; One J Is Equal to 10 Ergs

and the answer is: JOULES

Word Meaning:

JOULES — plural of joule

Definitions from Wiktionary.