| 1 |
Which one of the following is polymeric solids |
- A. Glass
- B. Nylon
- C. Copper
- D. Zinc
|
| 2 |
Glass and high steel carbon are example of. |
- A. Ductile substances
- B. Brittle substances
- C. Soft substances
- D. Hard substances
|
| 3 |
The domain theory of magnet is important to explain the behaviour of |
- A. Diamagnets
- B. Paramagnets
- C. Ferromagnets
- D. All of these
|
| 4 |
Example of ductile substance is. |
- A. Glass
- B. Wood
- C. Lead
- D. Oxygen
|
| 5 |
Which one is not a ductile material |
- A. Lead
- B. Steel
- C. Copper
- D. Wrought Iron
|
| 6 |
A solid in which there is not regular arrangement of molecules is called. |
- A. Glassy solid
- B. <div>Amorphous solid</div>
- C. Crystalline solid
- D. Both a and b
|
| 7 |
Domains are existed in |
- A. Ferromagnetic materials
- B. Paramagnetic materials
- C. Semi conductors
- D. Diamagnetic materials
|
| 8 |
Which of the following has least hysteresis loop area. |
- A. Steel
- B. Wrought Iron
- C. Soft Iron
- D. Cobalt
|
| 9 |
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
|
| 10 |
A cable breaks if stretched by more than 2mm. It is cut into two equal parts. How much either part can be stretched without breaking? |
- A. 25 m
- B. 1mm
- C. 2mm
- D. 0.5 m
|