Physics of Solids Test Online Preparation Mcqs

Physics of Solids Test Online Preparation Mcqs With Answers Start Below

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Question 1 of 15

1. In a semiconductors, the charge carries are _________.
A.
B.
C.
D.

Question 1 of 15

Question 2 of 15

2. Which of the following substances possesses the highest elasticity?
A.
B.
C.
D.

Question 2 of 15

Question 3 of 15

3. The modulus of elasticity of liquids is:
A.
B.
C.
D.

Question 3 of 15

Question 4 of 15

4. The energy band occupied by the valance electron is called _______.
A.
B.
C.
D.

Question 4 of 15

Question 5 of 15

5. In simple cube, one atom or molecule lies at its
A.
B.
C.
D.

Question 5 of 15

Question 6 of 15

6. A completely filled band is called ________.
A.
B.
C.
D.

Question 6 of 15

Question 7 of 15

7. With increase in temperature the electrical conductivity of intrinsic semi conductor ______.
A.
B.
C.
D.

Question 7 of 15

Question 8 of 15

8. What are the dimensions of stress?
A.
B.
C.
D.

Question 8 of 15

Question 9 of 15

9. The resistivity of semiconductor is of the order of
A.
B.
C.
D.

Question 9 of 15

Question 10 of 15

10. The electrons in conduction band are free to _______.
A.
B.
C.
D.

Question 10 of 15

Question 11 of 15

11. Which one of the following physical quantities does not have the dimensions of force per unit area?
A.
B.
C.
D.

Question 11 of 15

Question 12 of 15

12. The young’s modulus of wire of length L and radius r is Y. If the length is reduced to L/2 and radius to r/2, its Young’s modulus will be
A.
B.
C.
D.

Question 12 of 15

Question 13 of 15

13. Which of the following group represent doner atoms
A.
B.
C.
D.

Question 13 of 15

Question 14 of 15

14. At 0 K a piece of Si has
A.
B.
C.
D.

Question 14 of 15

Question 15 of 15

15. A wire, suspended vertically from one end, is stretched by attaching a weight of 20N to the lower end. The weight stretches the wire by 1mm. How much energy is gained by the wire?
A.
B.
C.
D.

Question 15 of 15


 

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