plz ans. this question........................
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sorry I am in class 5th
so sorry,
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Option 1 is correct
1/¥max He = Rz² [1/(n1)² - (n2)²)
here, n1 = 3
and n2 = 4
z = 2 for Helium
For paschen series.
1/¥ max = R(2)² [1/(3)² - 1/(4)²]
¥ max = 144/28R
given, 144/28R = m
R = 144/28m......(1)
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