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1. |
Out of the following spectral series of hydrogen spectrum, the one which lies wholly in the ultraviolet region, is : (a) Paschen series (b) Lyman series (c) Balmer series (d) Brackett series |
Answer» <p class="MsoNormal" style="text-align: justify;"><span style="color:#000000"><span style="font-family:Arial,Helvetica,sans-serif"><strong>Correct option (b) Lyman series</strong></span></span></p><p class="MsoNormal" style="text-align: justify;"><span style="color:#000000"><span style="font-family:Arial,Helvetica,sans-serif"><strong>Explanation:</strong></span></span></p><p style="text-align: justify;"><span style="color:#000000"><span style="font-family:Arial,Helvetica,sans-serif">We know that Lyman series lies ultraviolet region which have wavelength between 1215Å to 912Å. Balmer series lies in visible region. Other series lie in infrared-region.</span></span></p> | |