state gov RPSC 2nd Grade Senior Teacher Mock Test Series 2025 Physics Electromagnetic Waves Electromagnetic Spectrum
The longest wavelength associated with Paschen series is : (Given RH = 1.097 × 107 SI unit)
1
1.094 × 10–6m
2
2.973 × 10–6m
3
3.646 × 10–6m
4
1.876 × 10–6m
5
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