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| Q. |
The Planck’s constant h has the dimensions equal to |
| A. | m l 2 t -1 |
| B. | m l t -1 |
| C. | m l t -2 |
| D. | m l t |
| Answer» A. m l 2 t -1 | |
| Explanation: it has unit equal to j s and its value is 6.626 * 10 -34. | |
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