MCQOPTIONS
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MCQOPTIONS
This section includes 8 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. |
Do the spectra observed by grating and prism depends on the nature of the material? |
| A. | Yes for both |
| B. | Yes for grating |
| C. | Yes for prism |
| D. | No for both |
| Answer» D. No for both | |
| 2. |
The phenomenon used for obtaining grating spectra is diffraction. Which phenomenon is used for obtaining prism spectra? |
| A. | Diffraction |
| B. | Interference |
| C. | Scattering |
| D. | Dispersion |
| Answer» E. | |
| 3. |
The wavelength range for a grating is _______ |
| A. | 200 nm 400 nm |
| B. | 400 nm 800 nm |
| C. | 800 nm 1200 nm |
| D. | 200 800 nm |
| Answer» C. 800 nm 1200 nm | |
| 4. |
How many spectrums can be achieved by grating and a prism respectively? |
| A. | 1 and 1 |
| B. | More than 1 and 1 |
| C. | 1 and More than 1 |
| D. | More than 1 and More than 1 |
| Answer» C. 1 and More than 1 | |
| 5. |
The relationship between the angle of diffraction of violet, v, and the angle of diffraction for red, r, for a grating, is ________ |
| A. | <sub>v</sub> > <sub>r</sub> |
| B. | <sub>v</sub> < <sub>r</sub> |
| C. | <sub>v</sub> = <sub>r</sub> |
| D. | No relationship |
| Answer» C. <sub>v</sub> = <sub>r</sub> | |
| 6. |
The spectrum observed for a grating is much purer than a prism. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 7. |
Wavelength dependency for dispersion is constant for a prism. |
| A. | True |
| B. | False |
| Answer» C. | |
| 8. |
Light utilization efficiency of prism and grating respectively is _________ |
| A. | High and High |
| B. | High and Low |
| C. | Low and High |
| D. | Low and Low |
| Answer» C. Low and High | |