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. |
Given below is the block diagram of X-ray spectrometer. Identify the unmarked component. |
| A. | Filter |
| B. | Monochromator |
| C. | Specimen |
| D. | Amplifier |
| Answer» D. Amplifier | |
| 2. |
Which of the following crystals are not suited for x-ray grating? |
| A. | Topaz |
| B. | Lithium fluoride |
| C. | Calcium fluoride |
| D. | Sodium fluoride |
| Answer» E. | |
| 3. |
When compared to filters, monochromators provide much signal to noise ratio. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
Which of the following is not a target metal used in the Coolidge tube? |
| A. | Rhodium |
| B. | Cobalt |
| C. | Gold |
| D. | Silver |
| Answer» D. Silver | |
| 5. |
WHEN_COMPARED_TO_FILTERS,_MONOCHROMATORS_PROVIDE_MUCH_SIGNAL_TO_NOISE_RATIO.?$ |
| A. | True |
| B. | False |
| Answer» B. False | |
| 6. |
Which_of_the_following_crystals_are_not_suited_for_x-ray_grating?$ |
| A. | Topaz |
| B. | Lithium fluoride |
| C. | Calcium fluoride |
| D. | Sodium fluoride |
| Answer» E. | |
| 7. |
The x-rays generated come out of the Coolidge tube through which of the following? |
| A. | Beryllium window |
| B. | Tungsten window |
| C. | Collimator |
| D. | Target material |
| Answer» B. Tungsten window | |
| 8. |
When x-rays emitted from molybdenum are allowed to pass through a zirconium filter, which of the following occurs? |
| A. | It absorbs radiation of shorter wavelength |
| B. | It absorbs radiation of longer wavelength |
| C. | It allows radiation of shorter wavelength to pass through |
| D. | It allows radiation in a particular band to pass through |
| Answer» C. It allows radiation of shorter wavelength to pass through | |
| 9. |
How can the resolution of the collimator be increased? |
| A. | By reducing the separation between the metal plates of the collimator |
| B. | By increasing the separation between the metal plates of the collimator |
| C. | By increasing the number of metal plates |
| D. | By decreasing the number of metal plates |
| Answer» B. By increasing the separation between the metal plates of the collimator | |
| 10. |
Which of the following is not a target metal used in Coolidge tube? |
| A. | Rhodium |
| B. | Cobalt |
| C. | Gold |
| D. | Silver |
| Answer» D. Silver | |
| 11. |
The cathode in the Coolidge tube is kept in an inclined manner. |
| A. | True |
| B. | False |
| Answer» C. | |
| 12. |
The cathode in the Coolidge tube is made of which of the following elements? |
| A. | Quartz |
| B. | Iron |
| C. | Tungsten |
| D. | Barium |
| Answer» D. Barium | |
| 13. |
Using which of the following components is the generated x-rays focussed upon the specimen? |
| A. | X-ray tube |
| B. | Monochromator |
| C. | Collimator |
| D. | Detector |
| Answer» D. Detector | |
| 14. |
Which of the following components are used to generate X-rays? |
| A. | Meyer tube |
| B. | West tube |
| C. | Anger tube |
| D. | Coolidge tube |
| Answer» E. | |
| 15. |
In X-ray spectrometers, the specimen or the sample is placed after which of the following components? |
| A. | X-ray tube |
| B. | Monochromator |
| C. | Collimator |
| D. | Detector |
| Answer» B. Monochromator | |