Solid State - Online Test

Q1. Ionic solids containing large differences in sizes of ions show
Answer : Option B
Explaination / Solution:

Smaller atoms can easy occupy interstitial postion showing Frenekel Defect.

Q2. Defect shown by non – ionic solids is
Answer : Option A
Explaination / Solution:

Non ionic solids shows interstitial defect.

Q3. Which is true for F – centers?
Answer : Option B
Explaination / Solution:

The paired electron can get excited and on returning back to ground state it emits light thus imparts color

Q4. The paired electron can get excited and on returning back to ground state it emits light thus imparts color
Answer : Option B
Explaination / Solution:

Diamagnetic substances have full filled electrons so they are replealed by Magnetic field.

Q5. All those atoms or molecules which have an odd number of electrons are
Answer : Option D
Explaination / Solution:

They will have unpaired electrons

Q6. Substances that are strongly attracted by applied magnetic field and can be permanently magnetized are
Answer : Option D
Explaination / Solution:

Ferromagnetic substance get permanently magnetised in applied Magnetic Field.

Q7. Defects in solids can be studied using
Answer : Option B
Explaination / Solution:

All these can be used to detect defects in solid

Q8. Solids with conductivities ranging from
Answer : Option B
Explaination / Solution:

They are good conductors of electricity.

Q9. Which type of solid conduct electricity in molten state but not in solid state?
Answer : Option A
Explaination / Solution:

In molten state ions can exist so they can conduct electricity

Q10. Point defect is also known as
Answer : Option D
Explaination / Solution:

Point defect is zero dimensional defect.