To save this word, you'll need to log in.
Definition of quantum-equivalence law
: a principle of photoelectric action: when a quantum of radiation is involved in a photoelectric process its whole energy reappears in other forms since photoelectric processes do not absorb fractional quanta as do some other processes (as Compton effect)
Comments on quantum-equivalence law
What made you want to look up quantum-equivalence law? Please tell us where you read or heard it (including the quote, if possible).
Test Your Vocabulary
Name That Thing: Animal Edition
- Name that animal:
Can you spell these 10 commonly misspelled words?
TAKE THE QUIZ
Test Your Knowledge - and learn some interesting things along the way.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridgedWords at Play
Ask the Editors
Word Games
- Name That Thing: Animal Edition
How many animals can you identify?
Take the quiz - Original Meanings Quiz
A quiz for the pedantic and those annoyed by them!
Take the quiz - Spell It
Can you spell these 10 commonly misspelled words?
Take the quiz - Add Diction
Build a chain of words by adding one letter at a time.
Play the game
Share quantum-equivalence law