MCQOPTIONS
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MCQOPTIONS
| 1. |
A particle having mass \[1.67\times {{10}^{-27}}\] kg moving at a speed v absorbs a photon of wavelength 122 nm and stops. The value of v is |
| A. | \[3.25m{{s}^{-1}}\] |
| B. | \[1.28m{{s}^{-1}}\] |
| C. | \[0.82\text{ }m{{s}^{-1}}\] |
| D. | \[0.33m{{s}^{-1}}\] |
| Answer» B. \[1.28m{{s}^{-1}}\] | |