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If doubly ionised lithium atom is hydrogen like with atomic number 3, the wavelength of radiation required to excite the electron in Li⁺⁺ from the first to the third Bohr orbit and the number of different spectral lines observed in the emission spectrum of the above excited system are
Options
(a) 296 Å, 6
(b) 114 Å, 3
(c) 1026 Å, 6
(d) 8208 Å, 3
Correct Answer:
114 Å, 3
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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- Two closed organ pipes when sounded simultaneously give 4 beats/second.
- In Moseley’s law √ν=a(z-b), the values of the screening constant for K-series
- The magnetic field at a point on the axis of a long solenoid having 5 turns per cm
- The electric resistance of a certain wire of iron is R. If its length and radius
- The kinetic energy needed to project a body of mass m from the surface of earth
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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