Physics-Physical Quantities
NEET Physics Physical Quantities MCQ Question
Type: MCQ-conceptual-Easy-Class 11
Which of the following statements about physical quantities is correct?
A
Derived quantities can be expressed solely in terms of fundamental units.
B
Dimensional analysis can determine the exact values of dimensionless constants.
C
Base quantities are defined arbitrarily without any reference standards.
D
Only physical quantities with the same dimensions can be added or subtracted.
Correct Answer
Option D
Detailed Explanation
Statement D is correct because it reflects the principle that only quantities with the same dimensions can be combined through addition or subtraction. This aligns with the context that emphasizes dimensional consistency in equations and operations with physical quantities.
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