Navigate

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.

AIPMT2003
admin:

View Comments (1)

Leave a Comment

Related Questions

  1. A coin of mass m and radius r having moment of inertia I about the axis passes
  2. A solid sphere, disc and solid cylinder all of the same mass and made up of same material
  3. Hydrogen atom in ground state is excited by a monochrmatic radiation of λ=975 Å
  4. When a biconvex lens of glass having refractive index 1.47 is dipped in a liquid
  5. The electromagnetic theory of light failed to explain