MCQOPTIONS
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MCQOPTIONS
This section includes 10 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/mo |
| B. | hv/moc |
| C. | hv/moc2 |
| D. | hv/c2 |
| Answer» D. hv/c2 | |
| 2. |
The following graph is seen for which angle? |
| A. | 30° |
| B. | 45° |
| C. | 90° |
| D. | 120° |
| Answer» D. 120° | |
| 3. |
In Compton scattering, if the incident photon has a wavelength of 0.2 nm and Φ = 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° | |
| 4. |
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 | |
| 5. |
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 | |
| 6. |
Visible Light rays can show Compton effect. |
| A. | True |
| B. | False |
| Answer» C. | |
| 7. |
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\thet |
| 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. \(\frac{h}{m_0 c}sin\theta \) | |
| 8. |
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 | |
| 9. |
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 | |
| 10. |
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 | |