Chapter 24 of 28
Formula Sheet
Atoms — Formula Sheet
KIITEE · Physics
Free Atoms formula sheet for KIITEE Physics 2026 — all important formulas, equations, and constants for quick reference.
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Important formulas and equations from Atoms for KIITEE Physics.
Formulas — Atoms
Rutherford's Alpha-Particle Scattering
b = (Ze²cot(θ/2))/(4πε₀Eₖ)r₀ = (2Ze²)/(4πε₀Eₖ)N ∝ 1/sin⁴(θ/2)Bohr Model of Hydrogen Atom
mvr = nh/2πrₙ = (0.53 × n²)/Z ÅEₙ = -13.6Z²/n² eVvₙ = (2.18 × 10⁶ × Z)/n m/sAtomic Spectra and Spectral Series
1/λ = R(1/nf² - 1/ni²)1/λ = R(1/1² - 1/n²), n = 2,3,4...1/λ = R(1/2² - 1/n²), n = 3,4,5...1/λ = R(1/3² - 1/n²), n = 4,5,6...X-rays and Characteristic Radiation
λmin = hc/eV = 1242/V nmλ = hc/(EK - EL) for KαGet the complete formula sheet with derivations — continue in Super Tutor
Frequently Asked Questions
What topics are covered in Atoms for KIITEE?
Atoms is an important chapter in KIITEE Physics. It covers key concepts and formulas that are frequently tested in the exam. Key topics include: Rutherford's Alpha-Particle Scattering Experiment, Bohr's Model of Hydrogen Atom, Atomic Spectra and Spectral Series, X-ray Spectra and Characteristic X-rays.
How important is Atoms for KIITEE?
Atoms is a frequently tested chapter in KIITEE Physics. Questions from this chapter appear regularly in previous year papers. There are 243 practice questions available for this chapter.
How to prepare Atoms for KIITEE?
Start by understanding the core concepts, then solve practice questions. Focus on formulas and their applications. Use revision notes for quick review before the exam.
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