NEET Physics Kinetic Interpretation of Temperature Assertion Reason Question
Assertion (A): The root mean square (rms) speed of molecules in a gas is directly proportional to the square root of temperature. | Reason (R): At a given temperature, lighter molecules have greater rms speed than heavier molecules.
Both A and R are true, and R is the correct explanation of A.
Both A and R are true, but R is not the correct explanation of A.
A is true but R is false.
A is false but R is true.
Correct Answer
Detailed Explanation
While both statements are true, the reason provided (R) explains the relationship between molecular mass and rms speed, not the direct proportionality between rms speed and the square root of temperature as stated in the assertion (A).
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