1 |
The critical temperature of mercury is. |
- A. 1.18 K
- B. 4.2 K
- C. 3.72 K
- D. 7.2 K
|
2 |
Recently superconductor discovered is at temperature. |
- A. 110K
- B. 143K
- C. 16.3K
- D. 119K
|
3 |
The unit of strain is: |
- A. Nm
- B. Nm<sup>-2</sup>
- C. no unit
- D. Nm<sup>2</sup>
|
4 |
There are different crystal systems. The number of these crystal system is. |
|
5 |
At 0 K a piece of silicon is a |
- A. Conductor
- B. Semi-conductor
- C. Insulator
- D. All
|
6 |
Which of the modulus of elasticity is involved in compressing a rod to decrease its length ? |
- A. Young's modulus
- B. Bulk modulus
- C. Modulus of elasticity
- D. None of these
|
7 |
Domains are existed in |
- A. Ferromagnetic materials
- B. Paramagnetic materials
- C. Semi conductors
- D. Diamagnetic materials
|
8 |
The substance which atom cooperates with each other in such a way so as to exhibit a strong magnetic field is called. |
- A. Ferromagnetic
- B. Paramagnetic
- C. Diamagnetic
- D. Non magnetic
|
9 |
A solid having regular arrangement of molecules throughout its structure is called. |
- A. Amorphous solid
- B. Polymeric solid
- C. Crystalline solid
- D. Glassy solid
|
10 |
Which one of the following is crystalline solid. |
- A. Zirconia
- B. Glassy solid
- C. Natural rubber
- D. Poly strene
|