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JEE Main 2020 (Online) 8th January Evening Slot
Numerical
+4
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The first member of the Balmer series of
hydrogen atom has a wavelength of 6561 Å.
The wavelength of the second member of the
Balmer series (in nm) is:
Your input ____
Questions Asked from Atoms and Nuclei (Numerical)
Number in Brackets after Paper Indicates
No. of Questions
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