MCQOPTIONS
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MCQOPTIONS
This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Physics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Pick out the apparatus used in the experiment of the photoelectric effect from the following. |
| A. | Electron gun |
| B. | Vacuum tubes |
| C. | Metal tubes |
| D. | Glass tubes |
| Answer» E. | |
| 2. |
The photoelectric effect is commonly found in solar panels. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
Identify the conclusion of the photoelectric experiment from the following. |
| A. | Photons are smaller than the electrons |
| B. | The energy in light comes as small packets |
| C. | The energy in light comes as huge packets of energy |
| D. | The energy released by the photoelectric effect is very less |
| Answer» C. The energy in light comes as huge packets of energy | |
| 4. |
Who is responsible for the photoelectric effect experiment? |
| A. | Albert Einstein |
| B. | Max Planck |
| C. | Heinrich Hertz |
| D. | de Broglie |
| Answer» D. de Broglie | |
| 5. |
Which of the following increases the maximum kinetic energy of the photoelectrons emitted? |
| A. | Increasing the frequency of the incident beam |
| B. | Increasing the velocity of the electrons |
| C. | Decreasing the frequency of the incident beam |
| D. | Increasing the mass of the photoelectrons |
| Answer» B. Increasing the velocity of the electrons | |