- 1(current)
Q. No.Heating of a solid favour the -
1. Metal deficiency defect
2. Impurity defects
3. Vacancy defect
4. None of the above
1. Metal deficiency defect
2. Impurity defects
3. Vacancy defect
4. None of the above
Subtopic: Â Imperfections in Solids & Semiconductors |
 61%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
| Statement 1: | ZnS shows Frenkel defect. |
| Statement 2: | AgBr shows Frenkel as well as Schottky defect. |
1. Statement 1 is true , statement 2 is false.
2. Statement 1 is false , statement 2 is true.
3. Both statements are true.
4. Both statements are false.
Subtopic: Â Imperfections in Solids & Semiconductors |
 84%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
When a cation of higher valency is added as an impurity in an ionic solid, then :
1. Vacancies are created .
2. Stoichiometry remains unaffected.
3. Excess of metal ions is created.
4. Both (2) and (3)
1. Vacancies are created .
2. Stoichiometry remains unaffected.
3. Excess of metal ions is created.
4. Both (2) and (3)
Subtopic: Â Imperfections in Solids & Semiconductors |
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
The ionic solid among the following, that has anionic vacancy due to metal excess, defect and develop color is-
1. KCl
2. NaCl
3. TiO
4. All of the above
1. KCl
2. NaCl
3. TiO
4. All of the above
Subtopic: Â Imperfections in Solids & Semiconductors |
 74%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
A group 14 element is converted into n-type semiconductor by doping it with :
1. Boron
2. Aluminium
3. Phosphorous
4. All of the above.
Subtopic: Â Imperfections in Solids & Semiconductors |
 77%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Substances used for making permanent magnets are :
1. Ferrimagnetic
2. Ferromagnetic
3. Antiferromagnetic
4. Both (1) and (3)
1. Ferrimagnetic
2. Ferromagnetic
3. Antiferromagnetic
4. Both (1) and (3)
Subtopic: Â Imperfections in Solids & Semiconductors |
 79%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
- 1(current)
Q. No.
© 2024 GoodEd Technologies Pvt. Ltd.