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. The atomic number and mass number of a nucleus is Z and A. There new value after emission of two alpha and two beta radiation is
A.
B.
C.
D.

Question 1 of 15

Question 2 of 15

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

Question 2 of 15

Question 3 of 15

3. Many of the semi conductors are crystals of the type
A.
B.
C.
D.

Question 3 of 15

Question 4 of 15

4. What is the SI unit of modulus of elasticity of a substance?
A.
B.
C.
D.

Question 4 of 15

Question 5 of 15

5. A ferromagnet will become fully magnetized at ________.
A.
B.
C.
D.

Question 5 of 15

Question 6 of 15

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

Question 6 of 15

Question 7 of 15

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

Question 7 of 15

Question 8 of 15

8. A wire of length L is stretched by a length l when a force F is applied at one end. If the elastic limit is not exceeded, the amount of energy stored in the wire is ______
A.
B.
C.
D.

Question 8 of 15

Question 9 of 15

9. On the basis of band theory of solids, the semiconductors at room temperature at _______.
A.
B.
C.
D.

Question 9 of 15

Question 10 of 15

10. Which of the following is not true for a  crystalline substance?
A.
B.
C.
D.

Question 10 of 15

Question 11 of 15

11. 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 11 of 15

Question 12 of 15

12. N-type crystals have
A.
B.
C.
D.

Question 12 of 15

Question 13 of 15

13. The net charge on n – type material is:
A.
B.
C.
D.

Question 13 of 15

Question 14 of 15

14. The band theory of solids explains satisfactorily the nature of ______.
A.
B.
C.
D.

Question 14 of 15

Question 15 of 15

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

Question 15 of 15


 

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