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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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Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The internal energy change in a system that has absorbed 2 kcals of heat
- In a given process on an ideal gas, dW=0 and dQ<0. Then for the gas
- In a region, the potential is represented by V(x,y,z)=6x-8xy-8y+6yz, where V
- When a bullet of mass 10 g and speed 100 ms⁻¹ penetrates up to distance 1 cm
- Photons of 5.5 eV energy fall on the surface of the metal emitting photoelectrons
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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