Physics-Physical Quantities
NEET Physics Physical Quantities Assertion Reason Question
Type: Assertion Reason-assertion-Hard-Class 11
Assertion (A): Dimensional analysis can help determine the numerical value of constants in an equation. | Reason (R): Dimensional analysis can test the dimensional validity of equations but cannot distinguish between physical quantities with the same dimensions.
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 D
Detailed Explanation
The NCERT context states that dimensional analysis cannot obtain dimensionless constants, while R correctly describes a limitation of dimensional analysis.
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