MCQOPTIONS
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MCQOPTIONS
This section includes 9 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. |
Identify X in the expression for Kinetic energy of recoil electron: (k_e=hv( frac{x(1-cos theta)}{1+x(1-cos theta)}) ). |
| A. | hv/m<sub>o</sub> |
| B. | hv/m<sub>o</sub>c |
| C. | hv/m<sub>o</sub>c<sup>2</sup> |
| D. | hv/c<sup>2</sup> |
| Answer» D. hv/c<sup>2</sup> | |
| 2. |
In Compton scattering, if the incident photon has a wavelength of 0.2 nm and = 90 , the angle at which recoil electron appears is ___________ |
| A. | 30.12 |
| B. | 38.46 |
| C. | 44.57 |
| D. | 53.12 |
| Answer» D. 53.12 | |
| 3. |
X-rays with wavelength 0.1 nm are scattered from a carbon block. The scattered radiations are viewed at right angles to the direction of incident beam. What is the Compton shift? |
| A. | 0.0014 nm |
| B. | 0.0024 nm |
| C. | 0.0034 nm |
| D. | 0.0044 nm |
| Answer» C. 0.0034 nm | |
| 4. |
X rays of wavelength 0.15 nm are scattered from a block of carbon. What is the wavelength of X-rays scattered at 00? |
| A. | 0.15 nm |
| B. | 0.154 nm |
| C. | 0.165 nm |
| D. | 0.178 nm |
| Answer» B. 0.154 nm | |
| 5. |
Visible Light rays can show Compton effect. |
| A. | True |
| B. | False |
| Answer» C. | |
| 6. |
The expression for Compton shift is _________ |
| A. | ( frac{h}{m_0 c}cos theta ) |
| B. | ( frac{h}{m_0 c}(1 cos theta) ) |
| C. | ( frac{h}{m_0 c}sin theta ) |
| D. | ( frac{h}{m_0 c}(1 sin theta) ) |
| Answer» C. ( frac{h}{m_0 c}sin theta ) | |
| 7. |
What kind of photon is required for the Compton effect to occur? |
| A. | Visible Light Photon |
| B. | X-ray Photon |
| C. | Infrared |
| D. | UV Photon |
| Answer» C. Infrared | |
| 8. |
The Compton effect can be explained on the basis of __________ |
| A. | Wave nature of light |
| B. | Quantum theory of light |
| C. | Ray optics |
| D. | Wave optics |
| Answer» C. Ray optics | |
| 9. |
What is the relation between the interaction parameter, b , and atomic radius, R, for the Compton Effect? |
| A. | b > R |
| B. | b R |
| C. | b < R |
| D. | No relation between b and R |
| Answer» C. b < R | |