| 1 |
Recently superconductor discovered is at temperature. |
- A. 110K
- B. 143K
- C. 16.3K
- D. 119K
|
| 2 |
Which of the following has bulk modulus? |
- A. Water
- B. Gas
- C. Honey
- D. All
|
| 3 |
The material whose resistivity becomes zero below a certain temperature |
- A. Conductors
- B. Semi conductors
- C. Super conductors
- D. Insulators
|
| 4 |
The ratio of applies stress to volumetric strain is called: |
- A. Young modulus
- B. Shear modulus
- C. Bulk modulus
- D. Tensile modulus
|
| 5 |
The number of crystal system are |
- A. Three
- B. Five
- C. Seven
- D. Fifteen
|
| 6 |
Energy band theory is based upon |
- A. Hund's Rule
- B. Heisenberg uncertainty principle
- C. Bohr's atomic Model
- D. Wave mechanical model
|
| 7 |
Soft magnetic material is |
- A. Sodium
- B. Steel
- C. Iron
- D. Copper
|
| 8 |
Recentaly a complex crystalline structure known as yttrium barium copper oxide (Yba<sub>2 </sub>Cu<sub>3 </sub>O<sub>3</sub>) have reported to become super conductor at |
- A. 163 K
- B. 169 K
- C. 200 K
- D. 100 K
|
| 9 |
A material which is insulator at 0 K and conduct at room temperature is. |
- A. Silver
- B. Lead
- C. Germanium
- D. Polythene
|
| 10 |
Out of the following which material is brittle. |
- A. Wrought iron
- B. Copper
- C. Tungsten
- D. High steel carbon
|