In which of the following systems will the radius of the first orbit (n=1) be minimum?

In which of the following systems will the radius of the first orbit (n=1) be minimum?

Options

(a) Single ionised helium
(b) Deutron atom
(c) Hydrogen atom
(d) Doubly ionised lithium

Correct Answer:

Doubly ionised lithium

Explanation:

r ∝ 1 / Z. For doubly ionised lithium, Z = 3
.·. r will be minimum.

admin:

View Comments (1)

Related Questions

  1. In a double slit experiment, the two slits are 1mm apart and the screen is placed 1 m
  2. Huygen’s wave theory could not explain
  3. A potentiometer wire of length 100cm has a resistance of 10Ω. It is connected in series
  4. Avalanche breakdown is due to
  5. A spherical conductor of radius 2 m is charged to a potential of 120 V. It is now