MCQs Physics Chapter 17 Class 12

Al-Huda Science Academy has designed Class 12 MCQs Physics Chapter 17 Physics of Solids for board, MdCat and ECAT preparation. These MCQs help students to prepare for their entry test papers.

Chapter 17 Physics of Solids includes topics:

• Mechanical Properties of Solids
• Elastic Constant
• Energy stored in deformed materials
• Electrical Properties of solids
• Energy Band Theory
• Intrinsic and Extrinsic Semi-conductors
• Super conductors
• Hysteresis Loss

MCQs Physics Chapter 17 Physics of Solids

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#1. Shear Modulus of lead is:

2.2 GN/m^2

2.2 GN/m^2

5.6 GN/m^2

5.6 GN/m^2

7.7 GN/m^2

7.7 GN/m^2

4.5 GN/m^2

4.5 GN/m^2

Next

#2. Shear Modulus G =

F/A / tanθ

F/A / tanθ

FxA / tanθ

FxA / tanθ

F/A x tanθ

F/A x tanθ

F/A / cotθ

F/A / cotθ

Next

#3. Each energy level of an isolated atom is called:

valence

valence

band

band

state

state

None

None

Next

#4. Shear Modulus of bone is:

60 GN/m^2

60 GN/m^2

15 GN/m^2

15 GN/m^2

80 GN/m^2

80 GN/m^2

30 GN/m^2

30 GN/m^2

Next

#5. Conductivity of insulator is:

10^-10 - 10^-20 Ω^-1m^-1

10^-10 - 10^-20 Ω^-1m^-1

10^-6 - 10^-20 Ω^-1m^-1

10^-6 - 10^-20 Ω^-1m^-1

10^7 Ω^-1m^-1

10^7 Ω^-1m^-1

10^-6 - 10^-4 Ω^-1m^-1

10^-6 - 10^-4 Ω^-1m^-1

Next

#6. Impurity is added by a process called:

doping

doping

All

All

cleanliness

cleanliness

purity

purity

Next

#7. Hooke's law is applicable if:

stress α 1/strain

stress α 1/strain

tensile strain α shear strain

tensile strain α shear strain

stress α strain

stress α strain

All

All

Next

#8. The gap between conduction band and valence band is called:

All

All

legal gap

legal gap

permitted gap

permitted gap

forbidden gap

forbidden gap

Next

#9. Glass is also called as:

solid gas

solid gas

solid liquid

solid liquid

liquid gas

liquid gas

All

All

Next

#10. Conductivity of metal is:

10^-10 Ω^-1m^-1

10^-10 Ω^-1m^-1

10^7 Ω^-1m^-1

10^7 Ω^-1m^-1

10^-4 Ω^-1m^-1

10^-4 Ω^-1m^-1

10^-6 Ω^-1m^-1

10^-6 Ω^-1m^-1

Next

#11. Volumetric Strain =

Δa/a

Δa/a

Δl/l

Δl/l

ΔV/Vo

ΔV/Vo

None

None

Next

#12. Work Done =

1/2 [(EA×l^2)/L]

1/2 [(EA×l^2)/L]

1/2 [(EA×l^2)L]

1/2 [(EA×l^2)L]

1/2 [(E/A×l^2)/L]

1/2 [(E/A×l^2)/L]

1/2 [(E/A×l^2)L]

1/2 [(E/A×l^2)L]

Next

#13. Critical temperature of aluminium is:

1.18K

1.18K

7.2K

7.2K

3.72K

3.72K

4.2K

4.2K

Next

#14. p-type semi-conductors are formed by adding _____ impurity.

pentavalent

pentavalent

hexavalent

hexavalent

trivalent

trivalent

octavelent

octavelent

Next

#15. Young's Modulus of lead is:

45 GN/m^2

45 GN/m^2

15 GN/m^2

15 GN/m^2

25 GN/m^2

25 GN/m^2

35 GN/m^2

35 GN/m^2

Next

#16. Young Modulus and _____ has same units.

stress

stress

strain

strain

shear strain

shear strain

tensile strain

tensile strain

Next

#17. Bulk Modulus of water is:

27 GN/m^2

27 GN/m^2

31 GN/m^2

31 GN/m^2

7.7 GN/m^2

7.7 GN/m^2

2.2 GN/m^2

2.2 GN/m^2

Next

#18. The unit for strain is:

Pascal

Pascal

N/m^2

N/m^2

Both

Both

None

None

Next

#19. Strain Є =

None

None

ΔV/Vo

ΔV/Vo

Δa/a

Δa/a

Δl/l

Δl/l

Next

#20. Critical temperature of mercury is:

4.2K

4.2K

7.2K

7.2K

1.18K

1.18K

3.72K

3.72K

Next

#21. Strain is measurement of:

betterment

betterment

refinement

refinement

deformation

deformation

reformation

reformation

Next

#22. Shear strain is measured in:

pascal

pascal

radian

radian

None

None

N/m^2

N/m^2

Next

#23. Extrinsic semi-conductor is in _____ form.

Pure

Pure

Impure

Impure

Pious

Pious

Moral

Moral

Next

#24. Intrinsic semi-conductor is in _____ form.

immoral

immoral

pure

pure

unethical

unethical

impure

impure

Next

#25. Bulk Modulus of lead is:

2.2 GN/m^2

2.2 GN/m^2

7.7 GN/m^2

7.7 GN/m^2

5.6 GN/m^2

5.6 GN/m^2

4.5 GN/m^2

4.5 GN/m^2

Next

#26. Plasticity is also termed as:

tensile strain

tensile strain

stress

stress

UTS

UTS

strain

strain

Next

#27. Young's Modulus of bone is:

91 GN/m^2

91 GN/m^2

15 GN/m^2

15 GN/m^2

0 GN/m^2

0 GN/m^2

200 GN/m^2

200 GN/m^2

Next

#28. UTS stands for

Unified Tensile Strength

Unified Tensile Strength

Ultimate Tensile Strength

Ultimate Tensile Strength

Unified Tension Strain

Unified Tension Strain

Ultimate Tension Strain

Ultimate Tension Strain

Next

#29. Energy band that can be completely or partially filled is called:

forbidden gap

forbidden gap

resistance band

resistance band

valence band

valence band

conduction band

conduction band

Next

#30. Shear Strain is represented by:

θ (theta)

θ (theta)

γ (gamma )

γ (gamma )

Δ (delta)

Δ (delta)

α (alpha)

α (alpha)

Next

#31. Young's Modulus of glass is:

55 GN/m^2

55 GN/m^2

45 GN/m^2

45 GN/m^2

15 GN/m^2

15 GN/m^2

35 GN/m^2

35 GN/m^2

Next

#32. Stress σ =

A/F

A/F

F/A

F/A

All

All

FA

FA

Next

#33. n-type semi-conductors are formed by adding _____ impurity.

trivalent

trivalent

octavalent

octavalent

hexavalent

hexavalent

pentavalent

pentavalent

Next

#34. Unit of Stress is:

Pascal

Pascal

N/m^2

N/m^2

None

None

Both

Both

Next

#35. Energy band that can be empty or partially filled is called:

forbidden gap

forbidden gap

valence band

valence band

conduction band

conduction band

resistance band

resistance band

Next

#36. Critical temperature of lead is:

1.18K

1.18K

3.72K

3.72K

4.2K

4.2K

7.2K

7.2K

Next

#37. Shear Strain =

Δa/a

Δa/a

ΔV/Vo

ΔV/Vo

None

None

Δl/l

Δl/l

Next

#38. Conductivity of semi-conductor is:

10^-7 Ω^-1m^-1

10^-7 Ω^-1m^-1

10^-10 - 10^-20 Ω^-1m^-1

10^-10 - 10^-20 Ω^-1m^-1

10^-6 - 10^-4 Ω^-1m^-1

10^-6 - 10^-4 Ω^-1m^-1

10^-4 - 10^-6 Ω^-1m^-1

10^-4 - 10^-6 Ω^-1m^-1

Next

#39. Critical temperature of tin is:

4.2K

4.2K

1.18K

1.18K

7.2K

7.2K

3.72K

3.72K

Finish