Whoopi Disguises Herself as a Singing Nun
This page is the CodyCross answer for the clue below from Physics, Group 1894, Puzzle 1 (Cathode-Ray Tube).
Question is: Whoopi Disguises Herself as a Singing Nun
and the answer is: SISTERACT
Word Meaning:
SISTER ACT — a variety show involving two or more sisters
Definitions from Wiktionary.