MCQOPTIONS
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| 1. |
In a photoelectric experiment for 4000 Å incident radiation, the potential difference to stop the ejection is 2 V. If the incident light is changed to 3000 Å, then the potential required to stop the ejection of electrons will be [MP PET 1995] |
| A. | 2 V |
| B. | Less than 2 V |
| C. | Zero |
| D. | Greater than 2 V |
| Answer» E. | |