WebbPractice Test 22 : Dual Nature of Radiation and Matter. 1. A particle of mass 1 mg has the same wavelength as an 8. Which of the following when falls on a metal will emit electron moving with a velocity of 3×106 ms–1. The velocity photoelectrons ? of the particle is: (a) UV radiations (b) Infrared radiation (a) 2.7× 10–18 ms–1 (b) 9 × 10–2 ms–1 (c) Radio … WebbThe ratio of radii of first Bohr orbits of He+, Li2+ and Be3+ is: Login. Study Materials. NCERT Solutions. ... AP 2nd Year Syllabus; MP Board. MP Board Syllabus; MP Board Sample Papers; MP Board Textbooks; ... The ratio of radii of first orbit of H, H e + and L i 2 + is: Q. The ratio of radii of first Bohr orbits of H, H e + and L i 2 + is:
The radius of second orbit in an atom of hydrogen is R. What is the
Webb2 jan. 2024 · The energy of the second Bohr orbit in the hydrogen atom is - 3.41 eV. The energy of the third Bohr orbit of He+ ion would be (a) - 13.62 eV (b) - 1.70 eV (c) - 6.06 eV (d) - 0.85 eV Please log in or register to answer this question. 1 Answer 0 votes answered Jan 2, 2024 by Vikash Kumar (261k points) (c) - 6.06 eV Explanation: http://www.adichemistry.com/jee/qb/atomic-structure/1/q2.html toyota service downtown la
The ratio of radii of first orbit of H, He+ and Li2+ is: - BYJU
Webb21 jan. 2024 · What would be the radius of second orbit of He+ ion? (a) 1.058 Å (b) 3.023 Å (c) 2.068 Å (d) 4.458 Å atoms aiims neet 1 Answer +2 votes answered Jan 21, 2024 by … WebbSolution: Let us consider the nth bohr orbit, rn = 4π2mZe2n2h2 For hydrogen atom z = 1, first orbit n = 1 r1 = 4πr2me2h2 = 0.592A0 (i)For H e+ ion, Z = 2, third orbit, n = 3 r3(H e+) = 4π2m×2×e232h2 = 29 [4π2me2h2] = 29 × 0.592 = 2.380A0 (ii) For Li2+ ion, Z = 3, second orbit n = 2 r2 (Li2+) = 4π2m×3×e222h2 = 34 [4π2me2h2]= 0.705A0 http://www.adichemistry.com/jee/qb/atomic-structure/1/q2.html toyota service drive