MCQOPTIONS
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MCQOPTIONS
| 1. |
The disintegration constant of radium with half-life 1600 years is [MHCET 2004] |
| A. | \[2.12\times {{10}^{-4}}yea{{r}^{-1}}\] |
| B. | \[4.33\times {{10}^{-4}}yea{{r}^{-1}}\] |
| C. | \[3.26\times {{10}^{-3}}yea{{r}^{-1}}\] |
| D. | \[4.33\times {{10}^{-12}}yea{{r}^{-1}}\] |
| Answer» C. \[3.26\times {{10}^{-3}}yea{{r}^{-1}}\] | |