MCQOPTIONS
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MCQOPTIONS
This section includes 22 Mcqs, each offering curated multiple-choice questions to sharpen your Applied Chemistry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
This functions as a super conductor at a critical temperature of ________ |
| A. | 30oK |
| B. | 60oK |
| C. | 90oK |
| D. | 120oK |
| Answer» D. 120oK | |
| 2. |
The hard super conductors are those in which the ideal behaviour is seen up to a ________ critical magnetic field. |
| A. | Higher |
| B. | Lower |
| C. | Moderate |
| D. | Zero |
| Answer» C. Moderate | |
| 3. |
The ideal super conductors exhibit __________ |
| A. | Meissner effect |
| B. | Mesmeric effect |
| C. | Mesomeric effect |
| D. | Monomeric effect |
| Answer» B. Mesmeric effect | |
| 4. |
Ideal super conductors completely become __________ at super conducting state. |
| A. | Diamagnetic |
| B. | Ferro magnetic |
| C. | Ferri magnetic |
| D. | Para magnetic |
| Answer» B. Ferro magnetic | |
| 5. |
Based on magnetic response super conductors are of __________ types. |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» C. 3 | |
| 6. |
The shifting of electrons in super conductors is prevented by _________ |
| A. | Quantum effect |
| B. | Threshold energy level |
| C. | Energy barrier |
| D. | Orbitals |
| Answer» B. Threshold energy level | |
| 7. |
Super conductors are discovered in the year _______ |
| A. | 1900 |
| B. | 1991 |
| C. | 1911 |
| D. | 1905 |
| Answer» D. 1905 | |
| 8. |
THE_IDEAL_SUPER_CONDUCTORS_EXHIBIT___________?$ |
| A. | Meissner effect |
| B. | Mesmeric effect |
| C. | Mesomeric effect |
| D. | Monomeric effect |
| Answer» B. Mesmeric effect | |
| 9. |
IDEAL_SUPER_CONDUCTORS_COMPLETELY_BECOME____________AT_SUPER_CONDUCTING_STATE.?$ |
| A. | Diamagnetic |
| B. | Ferro magnetic |
| C. | Ferri magnetic |
| D. | Para magnetic |
| Answer» B. Ferro magnetic | |
| 10. |
This functions as a super conductor at a critical temperature of ________$ |
| A. | 30<sup>o</sup>K |
| B. | 60<sup>o</sup>K |
| C. | 90<sup>o</sup>K |
| D. | 120<sup>o</sup>K |
| Answer» D. 120<sup>o</sup>K | |
| 11. |
The hard super conductors are those in which the ideal behaviour is seen up to a ________ critical magnetic field. |
| A. | Higher |
| B. | Lower |
| C. | Moderate |
| D. | Zero |
| Answer» C. Moderate | |
| 12. |
Annealing the homogeneous mixture to room temperature to retain its __________ |
| A. | Composition |
| B. | Structure |
| C. | Its properties |
| D. | Composition, structure and its properties |
| Answer» E. | |
| 13. |
Preparation of super conductors by ceramic method by homogeneous mixture of the oxides __________ in their molar ratios. |
| A. | Y<sub>2</sub>O<sub>3</sub>, BaCO<sub>3</sub>, CuO |
| B. | Y<sub>2</sub>O<sub>3</sub>, BaCO<sub>3</sub>, Cu<sub>2</sub>O |
| C. | Y<sub>2</sub>O<sub>4</sub>, BaCO<sub>3</sub>, CuO |
| D. | YO<sub>3</sub>, BaCO<sub>3</sub>, CuO |
| Answer» B. Y<sub>2</sub>O<sub>3</sub>, BaCO<sub>3</sub>, Cu<sub>2</sub>O | |
| 14. |
The constituents of this material that is yttrium, barium and copper are in ____________ |
| A. | 1:1:1 |
| B. | 1:2:2 |
| C. | 1:2:3 |
| D. | 1:2:1 |
| Answer» D. 1:2:1 | |
| 15. |
Based on magnetic response super conductors are of __________ types? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» C. 3 | |
| 16. |
The normal metal passes into super conducting state at ___________ |
| A. | High temperature |
| B. | Low temperature |
| C. | Critical temperature |
| D. | No temperature |
| Answer» D. No temperature | |
| 17. |
The electrons head in ___________ direction. |
| A. | Same |
| B. | Different |
| C. | Opposite to one another |
| D. | Random |
| Answer» B. Different | |
| 18. |
The shifting of electrons in super conductors is prevented by _________ |
| A. | Quantum effect |
| B. | Threshold energy level |
| C. | Energy barrier |
| D. | Orbitals |
| Answer» B. Threshold energy level | |
| 19. |
The earliest superconductors to be studied elaborately is ________ |
| A. | Niobium alloy |
| B. | Copper alloys |
| C. | Steel alloys |
| D. | Iron alloy |
| Answer» B. Copper alloys | |
| 20. |
Super conductors are discovered in the year _______ |
| A. | 1900 |
| B. | 1991 |
| C. | 1911 |
| D. | 1905 |
| Answer» D. 1905 | |
| 21. |
The phenomena of super conductors was first discovered by ___________ |
| A. | Kammerlingh Onnes |
| B. | Neils bohr |
| C. | Richard Smalley |
| D. | Otto lehman |
| Answer» B. Neils bohr | |
| 22. |
A solid that offers no _________ passage of electricity is called super conductors. |
| A. | Conductance |
| B. | Inductance |
| C. | Resistance |
| D. | Impedance |
| Answer» D. Impedance | |