How small is the nucleus?नाभिक कितना छोटा है?How small is the nucleus?
NCERT Section 13.1 · Class 12 Physics · Chapter 13 · interactive diagram
Read Chapter 13 with this diagramइस डायग्राम के साथ अध्याय 13 पढ़ेंIs diagram ke saath Ch 13 padhiyeAll Physics diagramsसभी भौतिकी डायग्रामSaare Physics diagrams
Parts and what they mean
- Atom (परमाणु) — Radius about 10⁻¹⁰ m. Almost all of it is empty space with electrons moving around.
- Nucleus (to scale it would be invisible) (नाभिक (पैमाने पर यह दिखेगा भी नहीं)) — Radius about 10⁴ times smaller than the atom, so its volume is about 10⁻¹² of the atom’s volume.
- Nucleus, magnified (नाभिक, आवर्धित) — Holds all the positive charge (+Ze) and more than 99.9% of the atom’s mass.
- Proton (प्रोटॉन) — Positively charged nucleon (+e).
- Neutron (न्यूट्रॉन) — Neutral nucleon, discovered by Chadwick in 1932.
Original diagram drawn by Simple Learning Hub, based on NCERT Section 13.1. Report a mistake