MCQOPTIONS
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MCQOPTIONS
This section includes 6 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. |
ESR is remarkably sensitive when compared with NMR. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
ESR sensitivity increases with __________ temperature and with _________ magnetic field strength. |
| A. | Increasing, increasing |
| B. | Increasing, decreasing |
| C. | Decreasing, increasing |
| D. | Decreasing, decreasing |
| Answer» D. Decreasing, decreasing | |
| 3. |
The sensitivity of measurement is greatly enhanced by using which of the following? |
| A. | High magnetic field |
| B. | Low magnetic field |
| C. | High electric field |
| D. | Low electric field |
| Answer» B. Low magnetic field | |
| 4. |
When the electrons are aligned either parallel or antiparallel to the direction of the external magnetic field, the electrons will precess about the axis at a frequency that is proportional to which of the following? |
| A. | Applied magnetic field |
| B. | Electron magnetic moment |
| C. | Applied magnetic field and electron magnetic moment |
| D. | Neither applied magnetic field not electron magnetic moment |
| Answer» D. Neither applied magnetic field not electron magnetic moment | |
| 5. |
The value of the magnetic moment is known as which of the following? |
| A. | Thompson magneton |
| B. | Bohr magneton |
| C. | Goldstein magneton |
| D. | Rutherford magneton |
| Answer» C. Goldstein magneton | |
| 6. |
Electron spin resonance involves detecting the detection of a physical phenomenon of _________ of electromagnetic radiation. |
| A. | Adsorption |
| B. | Absorption |
| C. | Radiation |
| D. | Reflection |
| Answer» B. Absorption | |