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Consider 3rd orbit of He⁺(helium), using non-relativistic approach, the speed of electron in this orbit will be (given K=9×10⁹ constant, Z=2 and h=6.6×10⁻³⁴ J-s)
Options
(a) 2.92×10⁶ ms⁻¹
(b) 1.46×10⁶ ms⁻¹
(c) 0.73×10⁶ ms⁻¹
(d) 3×10⁶ ms⁻¹
Correct Answer:
1.46×10⁶ ms⁻¹
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Atoms and Nuclei
(136)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The threshold frequency for a metallic surface corresponds to an energy of 6.2 eV,
- A concave mirror of focal length f₁ is placed at a distance d from a convex lens
- Find out the e.m.f. produced when the current changes from 0 to 1 A in 10 sec.
- A block of mass 10 kg is moving in X-direction with a constant speed of 10 ms⁻¹
- The energy released in the fission of 1 kg of ₉₂U²³⁵ is (energy per fission = 200 MeV)
Topics: Atoms and Nuclei (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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