MCQOPTIONS
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MCQOPTIONS
| 1. |
Which of the following can be a wavelength of gamma ray? |
| A. | 2 x 10-8 cm |
| B. | 3 x 10-8 cm |
| C. | 4 x 10-8 cm |
| D. | 5 x 10-8 cm |
| Answer» C. 4 x 10-8 cm | |