MCQOPTIONS
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MCQOPTIONS
| 1. |
Light of wavelength 500 nm is incident on a metal with work function 2.28 eV. The wavelength of the emitted electron is: |
| A. | \[<2.8\times {{10}^{-9}}m\] |
| B. | \[\ge 2.8\times {{10}^{-9}}m\] |
| C. | \[\le 2.8\times {{10}^{-12}}m\] |
| D. | \[<2.8\times {{10}^{-10}}m\] |
| Answer» C. \[\le 2.8\times {{10}^{-12}}m\] | |