The Equation Derived by Bohr for the Wavelengths of λ

question 165

Multiple Choice

The equation derived by Bohr for the wavelengths of λ of the lines in hydrogen- like spectra is .The first member of the Balmer series of hydrogen has λ = 660 nm. Doubly ionized is hydrogen-like. The wavelength of the first member of the Balmer series for doubly ionized is

• A) 73 nm.
• B) 5.9 × 10³ nm.
• C) 150 nm.
• D) 60 nm.
• E) 1.8 × 10^-3 nm.

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