WebApr 9, 2024 · We have to find the order of the radius of the 1st orbit, i.e. n = 1. Atomic number, Z for $H { {e}^ {+}}$, $L { {i}^ {3+}}$ and $B { {e}^ {3+}}$ is 2, 3 and 4, … WebOct 30, 1975 · According to Bohr's theory (1913) of atom the electron moves with velocity v in the circular orbit of radius r. If e is the charge on the electron in esu and c the velocity of light, then e/c is the charge in emu. The current or charge passing a given point per unit time is then ( e / c ) ( v /2π r ).
The ratio of the radii of the first three Bohr Orbits is - Toppr
WebAug 26, 2024 · radius of 1st orbit is 52.9 pm × 1² = 52.9 pm radius of 2nd orbit is 52.9 pm × 2² = 52.9 × 4 = 211.6 pm radius of 3rd orbit is 52.9 pm × 3² = 52.9 × 9 = 476.1 pm where pm stands for picometre = 10⁻¹² m Advertisement Still have questions? Find more answers Ask your question New questions in Chemistry WebThe ratio of the radii of the first three Bohr Orbits is A 1: 21: 31 B 1:2:3 C 1:4:9 D 1:8:27 Medium Solution Verified by Toppr Correct option is C) Radius of n th Bohr orbit, r n=0.529 Zn 2 A o r n∝n 2 Thus ratio of first three Bohr orbit is r 1:r 2:r 3=1 2:2 2:3 2 r 1:r 2:r … softwax record pressing
The ratio of the radii of the first three Bohr orbits is: - Toppr
WebThe formula of Bohr radius is a0=4πε0(h/2π)2/mee2 = (h/2π)/mecα Where, a o = Bohr radius. m e =rest mass of electron. εo = permittivity of free space = reduced Planck … WebAug 28, 2024 · Note : The ratio of speed of an electron in ground state in Bohr's first orbit of hydrogen atom to velocity of light in air is equal to 137 1 20 2 ch e H (where c= speed of light in air) (3) Some other quantities For the revolution of electron in nthorbit, some other quantities are given in the following table WebSep 12, 2024 · The radius of the first Bohr orbit is called the Bohr radius of hydrogen, denoted as a0. Its value is obtained by setting n = 1 in Equation 6.5.6: a0 = 4πϵ0 ℏ2 mee2 = 5.29 × 10 − 11m = 0.529 Å. We can substitute a0 in Equation 6.5.6 to express the radius of the n th orbit in terms of a0: rn = a0n2. softway communicator download for pc