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The ionization energy of Li⁺⁺ is equal to
Options
(a) 9hcR
(b) 6hcR
(c) 2hcR
(d) hcR
Correct Answer:
9hcR
Explanation:
Ionisation energy of Li⁺⁺ = 9hcR
Ionisation energy = RchZ² = Rhc(3)² = 9hcR [as Z = 3 for Li⁺⁺]
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- In potentiometer experiment, a cell of emf 1.25V gives balancing length of 30 cm
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Topics: Dual Nature of Matter and Radiation
(150)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A point source emits sound equally in all directions in a non-absorbing medium.
- In potentiometer experiment, a cell of emf 1.25V gives balancing length of 30 cm
- An ac voltage is applied to a resistance R and an inductor L in series
- A radioactive substance decays to 1/16th of its initial activity in 40 days.
- A wire elongates by l mm when a load W is hanged from it. If the wire goes over
Topics: Dual Nature of Matter and Radiation (150)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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