The radii of second orbit of he+ is

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August undefined, 2024

WebbModern Physics - Free download as PDF File (.pdf), Text File (.txt) or read online for free. MODERN PHYSICS C O N T E N T S KEY CONCEPTS EXERCISE - I EXERCISE - II EXERCISE-III ANSWER KEY 1. CATHODE RAYS : KEY CONCEPTS (a) Generated in a discharge tube in which a high vaccum is maintained . (b) They are electrons accelerated by high p.d. ( 10 … Webb20 juli 2024 · asked Jul 20, 2024 in Chemistry by PrernaChauhan (46.8k points) closed Jul 21, 2024 by PrernaChauhan If radius of second Bohr orbit of the He+ ion is105.8 pm, …

Calculate the energy and radius of 2nd orbit to He+ ion - Brainly

Webb4 nov. 2014 · L is defined to be r x p, which is r*p*sin (theta), where theta is the angle between the radius vector and the momentum vector. Since they are moving in a circle, that means that p and r … WebbThe energy associated with the first orbit in the hydrogen atom is –2.18 × 10 – 18 J a t o m – 1. What is the energy associated with the fifth orbit? Calculate the radius of Bohr’s fifth orbit for hydrogen atom. green bay energy assistance

Calculate the ratio of energies of 2nd orbits of H, He+ and Li+2.

http://www.adichemistry.com/jee/qb/atomic-structure/1/q6.html WebbThe correct option is A 6: 4:3Bohr's radius for nth orbit, rn = 0.529[ n2 Z] ∘Awhere n=Energy level, Z =Atomic numberFor He+ ion: n =1, Z =2rHe+ =0.529[12 2] ∘AFor Li2+ ion: n= 1, Z … Webb21 aug. 2024 · Click here 👆 to get an answer to your question ️ if the radius of second orbit of li2+ ion is x , find the radius of 1st orbit of he+ ion in terms of x. ankitabaishya0110 ankitabaishya0110 21.08.2024 flower shop clinton nj

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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 … WebbChapter –12. Atoms. 1. Geiger-Marsden’s α-particle Scattering Experiment On the suggestion of Rutherford, in 1911, his two associates, H. Geiger and E. Marsden, performed an experiment by bombarding α-particles (Helium nuclei Z = 2, A = 4) on a gold foil. Observations: (i) Most of the α-particles pass through the gold foil undeflected. (ii) A very … flower shop clinton ilWebbSolution The correct option is B 9: 32 As per Bohr's theory, T n ∝ n3 Z2 where, T n = Time period of revolution n = orbit number and Z = atomic number of element For He+, Z = 2, n =2 T He+ = K× 23 22 where, K is the proportionality constant Similarly, for Li2+, Z =3, n= 4 T Li2+ = K× 43 32 Taking the ratio of time period of He+ and Li2+, green bay encounter school

"Webb13 juni 2024 · The radii are in the ratio 6:3:2. Explanation: The radii of the first orbits of a hydrogen-like ion are given by the equation r = ħ2 Zmekee2 Since everything except Z is constant, we can rewrite the formula as r = k Z Then the ratios of the three radii for Z = 1,2 and 3 are r1:r2:r3 = 1 1: 1 2: 1 3 = 6:3:2 Answer link " - The radii of second orbit of he+ is

The radii of second orbit of he+ is

WebbThe maximum and minimum speeds of a comet that orbits the Sun are 80 and 10 km/s respectively. The ratio of the aphelion distance of the comet to the radius of the Earths orbit is _____.(Assume that Earth moves in a circular orbit of radius 1.5 108 km with a speed of 30 km/s.)

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WebbThe radius of second orbit in an atom of hydrogen is R. What is the radius in third orbit. A 3R B 2.25R C 9R D 3R Medium Solution Verified by Toppr Correct option is B) r n=0.529 … WebbSince negative of Ionization energy is the energy of first stationary state, for He+, the energy of 1st level is -19.6 x 10^-18 J atom-1. The energy of an electron in 1st level for He+can be written as: E1 = -K (Z^2 /n^2 ) = - K x (2^2/1^2 ) = -4K Hence K = -19.6 x 10^-18 / 4 = 4.9 x 10^-18 J atom-1

WebbThe ratio of radius of 2 nd and 3 rd Bohr's orbit is: A 3 : 2 B 9 : 4 C 2 : 3 D 4 : 9 Medium Solution Verified by Toppr Correct option is D) We know that the radius of an orbit in a … Webb28 mars 2024 · Mathematically the radius of an orbit can be given as: \({r_n} = \frac{{0.53{n^2}}}{Z}{\rm{{\dot A}}}\) Where: Z = atomic number, n = orbit number. So r ∝ …

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: 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 …

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

WebbThe ratio of radii of first orbit of H, He+ and Li2+ is: A 1 : 2 : 3 B 6 : 3 : 2 C 1 : 4 : 9 D 9 : 4 : 1 Solution The correct option is B 6 : 3 : 2 Radius of H-like species = n2 Z ×0.529 ∘A rH: … green bay enclosed trailer saleshttp://www.adichemistry.com/jee/qb/atomic-structure/1/q2.html flower shop clinton msWebb6 apr. 2024 · For He+ ion, n = 2 for the second orbit, and the atomic number is 2. Substituting the values in the formula, we get r = n 2 Z × 0.529 A o ⇒ r = ( 2) 2 2 × 0.529 A … green bay emergency medicine billingWebbThe ratio of radii of first orbit of H, He+ and Li2+ is: A 1 : 2 : 3 B 6 : 3 : 2 C 1 : 4 : 9 D 9 : 4 : 1 Solution The correct option is B 6 : 3 : 2 Radius of H-like species = n2 Z ×0.529 ∘A rH: rHe+: rLi2+ ⇒ 1: 1 2: 1 3 ⇒ 6: 3: 2 Suggest Corrections 14 Similar questions Q. The ratio of radii of first orbit of H, He+ and Li2+ is: Q. flower shop clinton maWebb20 juli 2024 · BarrettArcher Answer : The energy and radius of second orbit of ion are, -13.6 ev and 105.8 pm respectively. Solution : Formula used for energy of orbit of ion or hydrogen like atom will be, Formula used for the radius of the orbit will be, (in pm) where, = energy of orbit = radius of orbit n = number of orbit Z = atomic number flower shop cleveland tnWebb28 juni 2024 · answered ASSERTION - The radius of second orbit he He+ is equal to that of first orbit of hydrogen. REASON- The radius of an orbit in hydrogen like species is directly propotional to Z and inversely propotional to n. * Both the Assertion and the Reason are correct and the Reason is the correct explanation of the Assertion. green bay embroidery designWebbApr 10,2024 - The ratio of 2nd, 4th and 6th orbit of hydrogen atom isa)2 : 4 : 6b)1 : 4 : 9c)1 : 4 : 6d)1 : 2 : 3Correct answer is option 'B'. Can you explain this answer? EduRev NEET Question is disucussed on EduRev Study Group by 482 NEET Students. flower shop chula vista ca