What is triboluminescence?
A) Another term for phosphorescence.
B) Luminescence that results from thermal excitation of a crystal.
C) Luminescence that results from mechanical shock to a crystal.
D) Luminescence that results from the interaction of at least three photons.
E) The emission of light through a chemical reaction.
Correct Answer:
Verified
Q238: What makes emery different from corundum?
A) Impure
Q239: What is the definition of a ceramic?
A)
Q240: To what two chemicals are most glasses
Q241: Resistance in a material is defined
Q242: What is a p-type semi-conductor?
A) One with
Q244: What makes phosphors glow?
A) Electron impacts.
B) Plasma
Q245: How does a p-n junction allow electric
Q246: Which statement about a semi-conductor is correct?
A)
Q247: How do luminescent materials release light?
A) By
Q248: When a material is superconductive, which of
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents