Difficult Decision
This page is the CodyCross answer for the clue below from Physics, Group 1894, Puzzle 1 (Cathode-Ray Tube).
Question
Difficult Decision
Answer
TOUGHCALL
Word Meaning:
TOUGH CALL — (chiefly US, idiomatic) A choice or judgment which is difficult to make, especially one involving only two alternatives.
Definitions from Wiktionary.