Physics-(general)
NEET Physics (general) Assertion Reason Question
Type: Assertion Reason-assertion-Medium-Class 11
Assertion (A): The molecular volume is a negligible fraction of the total volume occupied by water vapour at 100 °C and 1 atm pressure.
Reason (R): The density of water vapour is much lower than the density of liquid water.
A
Both A and R are true and R is the correct explanation of A.
B
Both A and R are true but R is not the correct explanation of A.
C
A is true but R is false.
D
A is false but R is true.
Correct Answer
Option A
Detailed Explanation
The NCERT text highlights that the molecular volume is insignificant compared to the total volume of water vapour because of its low density at these conditions.
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