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12th Odisha Board
IMPORTANT
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At what temperature would an intrinsic semiconductor behave like a perfect insulator?

Important Questions on Solids

EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 19 - Solids>MODEL QUESTIONS>Q 27
How does the energy gap in a semiconductor vary, when doped with a pentavalent impurity?
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 19 - Solids>MODEL QUESTIONS>Q 28
What type of extrinsic semiconductor is formed when germanium is doped with indium?
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 19 - Solids>MODEL QUESTIONS>Q 28
What type of extrinsic semiconductor is formed when silicon is doped with bismuth?
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 19 - Solids>MODEL QUESTIONS>Q 29
How does the width of the depletion region of a p-n junction vary if the reverse bias applied to it is decreased?
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 19 - Solids>MODEL QUESTIONS>Q 30
In a semiconductor the concentration of electrons is 8×1013 cm-3 and that of the holes is 5×1012 cm-3. Is it a p-type or n-type semiconductor?
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 19 - Solids>MODEL QUESTIONS>Q 31
The energy gaps in the energy band diagram of a conductor, semiconductor and an insulator are E1, E2, E3 respectively. Arrange them in increasing order.
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 19 - Solids>MODEL QUESTIONS>Q 1
What is covalent bond?
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 19 - Solids>MODEL QUESTIONS>Q 2
State the type of bonding in NaCl.