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1. |
What will be the longest wavelength in the Balmer series of hydrogen spectrum? |
A. | 6557 10<sup>-10</sup> m |
B. | 5557 10<sup>-10</sup> m |
C. | 9557 10<sup>-10</sup> m |
D. | 1557 10<sup>-10</sup> m |
Answer» B. 5557 10<sup>-10</sup> m | |