MEDIUM
12th ICSE
IMPORTANT
Earn 100

What is Schottky defect?

Important Questions on Solid State

MEDIUM
12th ICSE
IMPORTANT
Explain why does the presence of Frenkel defects not affect the density of a crystal.
MEDIUM
12th ICSE
IMPORTANT
How do the Schottky and Frenkel defects increase the conductivity of a crystal?
MEDIUM
12th ICSE
IMPORTANT
How does a crystal having metal excess defect maintain its electrical neutrality?
MEDIUM
12th ICSE
IMPORTANT
Why does a crystal of KCl appear violet in spite of the fact that both K+ and Cl- ions are colourless?
MEDIUM
12th ICSE
IMPORTANT
What are F-centres, and how do they impart colour to a crystal?
MEDIUM
12th ICSE
IMPORTANT
What is doping? Why does the impurity-doped silicon act as a semiconductor?
MEDIUM
12th ICSE
IMPORTANT
What are semiconductors? What factors are responsible for the conduction of current by a semiconductor? Mention their important applications.
MEDIUM
12th ICSE
IMPORTANT
What is ferromagnetism, and how does it arise?