alleryStart learning →Electron orbit radius is about 10^-10 m and nuclear radius about 10^-15 m. What is their ratio?
A10^25
B10^10
C10^3
D10^5
Answer & Solution
Correct answer: D. 10^5
Dividing 10^-10 m by 10^-15 m gives 10^5, showing how empty the atom is.
Keep practising Atoms
Browse all Atoms questions for NEET UG, or explore more Physics topics.
Related questions
The Pfund series of hydrogen lines ends on which energy level?Which transition gives the Lyman-alpha line of hydrogen?The Brackett series of hydrogen consists of transitions ending on which level?In which region of the spectrum do all Lyman series lines lie?Hydrogen spectral lines ending on the n = 1 level form which series?Why does a rarefied gas in a glow tube emit only discrete wavelengths?Who obtained an empirical formula for a group of hydrogen line wavelengths in 1885?When does Bohr's orbital frequency equal the emitted line frequency?