MCQOPTIONS
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MCQOPTIONS
This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Physics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Iron has a BCC structure with atomic radius 0.123 Å. Find the lattice constant. |
| A. | 0 |
| B. | 4.587 Å |
| C. | 2.314 Å |
| D. | 0.2840 Å |
| Answer» E. | |
| 2. |
The interplanar spacing of (220) planes of a FCC structure is 1.7458 Å. Calculate the lattice constant. |
| A. | 4.983 Å |
| B. | 2.458 Å |
| C. | 0 |
| D. | 5.125 Å |
| Answer» B. 2.458 Å | |
| 3. |
What is the lattice constant for FCC crystal having atomic radius 1.476 Å? |
| A. | 1.476 Å |
| B. | 4.1748 Å |
| C. | 5.216 Å |
| D. | 0 |
| Answer» C. 5.216 Å | |
| 4. |
Which one of the following is the property of an ionic compound? |
| A. | High melting and boiling points |
| B. | Low melting and boiling points |
| C. | Weak inter-atomic forces |
| D. | Non conductors of electricity |
| Answer» B. Low melting and boiling points | |
| 5. |
IRON_HAS_A_BCC_STRUCTURE_WITH_ATOMIC_RADIUS_0.123_‚ÄÖ√†√∂‚ÀÖ√±._FIND_THE_LATTICE_CONSTANT.?$# |
| A. | 0 |
| B. | 4.587 √Ö |
| C. | 2.314 √Ö |
| D. | 0.2840 √Ö |
| Answer» E. | |
| 6. |
THE_INTERPLANAR_SPACING_OF_(220)_PLANES_OF_A_FCC_STRUCTURE_IS_1.7458_‚ÄÖ√†√∂‚ÀÖ√±._CALCULATE_THE_LATTICE_CONSTANT.?$# |
| A. | 4.983 √Ö |
| B. | 2.458 √Ö |
| C. | 0 |
| D. | 5.125 √Ö |
| Answer» B. 2.458 ‚Äö√†√∂‚àö√± | |
| 7. |
What is the lattice constant for FCC crystal having atomic radius 1.476 ‚Äö√†√∂‚àö√?# |
| A. | 1.476 √Ö |
| B. | 4.1748 √Ö |
| C. | 5.216 √Ö |
| D. | 0 |
| Answer» C. 5.216 ‚Äö√†√∂‚àö√± | |
| 8. |
What is the possible number of different types of lattices (3D)? |
| A. | 4 |
| B. | 8 |
| C. | 14 |
| D. | 17 |
| Answer» D. 17 | |
| 9. |
Which of the following has body centered cubic structure? |
| A. | Polonium |
| B. | Copper |
| C. | Nickel |
| D. | Tungsten |
| Answer» E. | |
| 10. |
Why are the glasses of building milky? |
| A. | Because of unwanted deposits |
| B. | Because it becomes old |
| C. | Because it is brittle |
| D. | Because it changes in properties |
| Answer» E. | |
| 11. |
Which of the following is a crystalline solid? |
| A. | Anisotropic substances |
| B. | Isotropic substances |
| C. | Supercooled liquids |
| D. | Amorphous solids |
| Answer» B. Isotropic substances | |
| 12. |
Which of the following covalent compounds conduct electricity? |
| A. | Silica |
| B. | Graphite |
| C. | Diamond |
| D. | Hydrogen chloride |
| Answer» C. Diamond | |
| 13. |
When do ionic compounds conduct electricity? |
| A. | In gaseous state |
| B. | In solid state |
| C. | When dissolved in water |
| D. | They never conduct |
| Answer» D. They never conduct | |
| 14. |
Which one of the following is the property of an ionic compound? |
| A. | High melting and boiling points |
| B. | Low melting and boiling points |
| C. | Weak inter-atomic forces |
| D. | Non conductors of electricity |
| Answer» B. Low melting and boiling points | |