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The mean free path in gases is of the order of:
ABillions of angstroms
BThousands of angstroms
CHundreds of angstroms
DMillions of angstroms
Answer & Solution
Correct answer: B. Thousands of angstroms
1. It is the distance a molecule travels between collisions.
2. Gases are far less crowded than solids.
3. It runs to thousands of angstroms.
_Source: NCERT Class 11 Physics, Ch 12 'Kinetic Theory'_
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