MCQOPTIONS
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MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Identify the expression for Bragg s law from the following. |
| A. | 2d cos u2061 =n |
| B. | 2d sin u2061 =n |
| C. | 2d sin = ( frac {n}{ lambda } ) |
| D. | 2d cos u2061= ( frac {n}{ lambda } ) |
| Answer» C. 2d sin = ( frac {n}{ lambda } ) | |
| 2. |
Intensity is different for different angles of scattering in the Davisson Germer experiment. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
Which crystal is used in the Davisson Germer experiment? |
| A. | Aluminum |
| B. | Nickel |
| C. | Cobalt |
| D. | Zinc |
| Answer» C. Cobalt | |
| 4. |
Which of the following is used in the Davisson Germer experiment? |
| A. | Double slit |
| B. | Single slit |
| C. | Electron gun |
| D. | Electron microscope |
| Answer» D. Electron microscope | |
| 5. |
Which theory is confirmed by the Davisson Germer experiment? |
| A. | de Broglie theory |
| B. | Newton s theory |
| C. | Einstein s theory |
| D. | Planck s theory |
| Answer» B. Newton s theory | |