MCQOPTIONS
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MCQOPTIONS
This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Analytical Instrumentation knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following is the x-y resolution of ISS? |
| A. | 1 µ |
| B. | 10 µ |
| C. | 100 µ |
| D. | 1000 µ |
| Answer» D. 1000 µ | |
| 2. |
Which of the following is the amount of matrix effect that occurs in SIMS? |
| A. | Very low |
| B. | Low |
| C. | Some |
| D. | Severe |
| Answer» E. | |
| 3. |
Which of the following is denotes the absolute quantitative analysis of SIMS? |
| A. | 30% |
| B. | 70% |
| C. | 50% |
| D. | Not possible |
| Answer» E. | |
| 4. |
Both ISS and SIMS have depth profiling capability. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
WHICH_OF_THE_FOLLOWING_IS_DENOTES_THE_ABSOLUTE_QUANTITATIVE_ANALYSIS_OF_SIMS??$ |
| A. | 30% |
| B. | 70% |
| C. | 50% |
| D. | Not possible |
| Answer» E. | |
| 6. |
Which of the following is the amount of matrix effect that occurs in SIMS?$ |
| A. | Very low |
| B. | Low |
| C. | Some |
| D. | Severe |
| Answer» E. | |
| 7. |
Which of the following is the x-y resolution of SIMS? |
| A. | 1 µ |
| B. | 10 µ |
| C. | 100 µ |
| D. | 1000 µ |
| Answer» B. 10 ¬¨¬®¬¨¬µ | |
| 8. |
Both ISS and SIMS have depth profiling capability? |
| A. | True |
| B. | False |
| Answer» B. False | |
| 9. |
Which of the following is the spectral range of SIMS? |
| A. | 0-10 amu |
| B. | 0-100 amu |
| C. | 0-500 amu |
| D. | 0-1000 amu |
| Answer» D. 0-1000 amu | |
| 10. |
Which of the following is the energy range of ISS? |
| A. | 1 keV |
| B. | 2 keV |
| C. | 4 keV |
| D. | 8 keV |
| Answer» B. 2 keV | |
| 11. |
The fragments formed during sputtering can be either neutral atoms or ions. The ions can only be positive. |
| A. | True |
| B. | False |
| Answer» C. | |
| 12. |
Which of the following causes the phenomena of sputtering? |
| A. | Primary ion gets embedded in the solid |
| B. | Primary ion is elastically scattered |
| C. | Primary ion is reflected |
| D. | Primary ion is refracted |
| Answer» B. Primary ion is elastically scattered | |
| 13. |
If the primary ion is elastically scattered, the kinetic energy of the reflected primary ion will depend on which of the following? |
| A. | Charge of the primary ion |
| B. | Charge of the surface ion |
| C. | Mass of the surface ion |
| D. | Number of surface ions |
| Answer» D. Number of surface ions | |
| 14. |
The kinetic energy of the primary ion should be in which of the following range? |
| A. | 0.1-4 keV |
| B. | 0.2-1 keV |
| C. | 0.4-2 keV |
| D. | 0.3-5 keV |
| Answer» E. | |
| 15. |
In Ion spectroscopy, the primary ion is usually which of the following? |
| A. | Inert gas ion |
| B. | Halogen ion |
| C. | Oxygen group gas ion |
| D. | Hydrogen |
| Answer» B. Halogen ion | |