Home › CBSE Class 11 (Science) › Physics › Kinetic Theory of Gases › Treating water molecules as closely packed in li…
Treating water molecules as closely packed in liquid water, the estimated molecular radius is about
A0.2 Å
B20 Å
C2 Å
D200 Å
Answer & Solution
Correct answer: C. 2 Å
A molecule of mass 3 × 10^-26 kg at 1000 kg/m³ fills 3 × 10^-29 m³, giving a radius near 2 × 10^-10 m.
Related questions
Kinetic theory assumes the total volume of the molecules themselves isWhich physicist generalised Maxwell's velocity distribution in 1871?Which English philosopher stated in 1620 that the very essence of heat is motion?Collisions being strictly binary and uncorrelated meansWhich Roman philosopher, around 50 BC, said static bodies are made of rapidly moving atomsEinstein (1905) and Smoluchowski (1906) supported kinetic theory with papers onAugust Krönig's gas model of 1856 considered which kind of molecular motion only?Which 1859 result is called the first-ever statistical law in physics?