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. |
Which radical is generated in water by X-ray? |
| A. | H<sub>2</sub> |
| B. | O<sub>2</sub> |
| C. | OH |
| D. | O |
| Answer» D. O | |
| 2. |
What is the effect of X-ray on methylene blue? |
| A. | The crystal structure changes |
| B. | It s boiling point increases |
| C. | It s boiling point decreases |
| D. | It gets bleached |
| Answer» E. | |
| 3. |
The accelerating potential for an X-ray is 40 kV. What should be the minimum wavelength of the X-ray? |
| A. | 0.024 nm |
| B. | 0.031 nm |
| C. | 0.097 nm |
| D. | 0.054 nm |
| Answer» C. 0.097 nm | |
| 4. |
X-ray lies in which region of the electromagnetic spectrum? |
| A. | 10 to 7000 |
| B. | 4000 to 10 |
| C. | 10 to 0.01 |
| D. | 1 to 10 |
| Answer» D. 1 to 10 | |
| 5. |
Fluorescence is the property when X-ray falls on a material it emits __________ |
| A. | Infrared Waves |
| B. | Visible Light |
| C. | Gamma rays |
| D. | UV light |
| Answer» C. Gamma rays | |
| 6. |
X-Rays can be focused on to single point. |
| A. | True |
| B. | False |
| Answer» C. | |
| 7. |
In free space, X-ray travels in ______________ |
| A. | Periodic oscillations |
| B. | Non-Periodic oscillations |
| C. | Zig-zag path |
| D. | Straight line |
| Answer» E. | |
| 8. |
X-rays are weightless. |
| A. | True |
| B. | False |
| Answer» B. False | |