MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Biomedical Instrumentation knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
In sample holders, for such applications, a 50 cm path-length with about a ________ volume cell is employed. |
| A. | 0.3 ml |
| B. | 3 liters |
| C. | 0.3 liters |
| D. | 3 ml |
| Answer» D. 3 ml | |
| 2. |
The sample holder is generally inserted somewhere in the interval between the ______and _______ |
| A. | Silvered film and multi-layered coating |
| B. | The light source and the detector |
| C. | The light source and silvered film |
| D. | Silvered film and the detector |
| Answer» C. The light source and silvered film | |
| 3. |
_______ are often used for splitting the beam. |
| A. | Multilayer coated lenses |
| B. | Silvered films |
| C. | Silicate glasses |
| D. | Half-silvered mirrors |
| Answer» E. | |
| 4. |
With the use of _______ chromatic aberrations and other imperfections of the lenses are minimized. |
| A. | Lenses |
| B. | Mirrors |
| C. | Slits |
| D. | Diaphragm |
| Answer» C. Slits | |
| 5. |
Which material is used to reduce the reflections from glass surfaces? |
| A. | Manganese Flouride |
| B. | Magnesium oxide |
| C. | Magnesium Flouride |
| D. | Manganese oxide |
| Answer» D. Manganese oxide | |
| 6. |
What is the utilization wavelength limit for quartz? |
| A. | 300 nm |
| B. | 350 nm |
| C. | 180 nm |
| D. | 210 nm |
| Answer» E. | |
| 7. |
What is reproduced from a master holographic grating by moulding its grooves onto a resin surface or silica substrate? |
| A. | Diffraction grating |
| B. | Replica grating |
| C. | Silicate glasses |
| D. | Fused silica |
| Answer» C. Silicate glasses | |
| 8. |
A typical reflection grating may have 1200 grooves/mm, which means the grooves are spaced at about _______ intervals. |
| A. | 800 nm |
| B. | 600 nm |
| C. | 860 nm |
| D. | 680 nm |
| Answer» B. 600 nm | |
| 9. |
Most modern instruments now use a _______ as a dispersing element in the monochromator. |
| A. | Prism monochromators |
| B. | Holographic gratings |
| C. | Diffraction gratings |
| D. | Replica gratings |
| Answer» D. Replica gratings | |
| 10. |
The energy must be reflected and returned through a single 30 prism, so that it passes through the prism in both directions is called __________ |
| A. | Cornu mounting |
| B. | Mono mounting |
| C. | Littrow mounting |
| D. | Trio mounting |
| Answer» D. Trio mounting | |