Per NCERT §1.2 Table 1.1, the SI system has how many BASE quantities and units?
A7
B8
C6
D5
Answer & Solution
Correct answer: A. 7
NCERT Table 1.1: 7 SI base units = m, kg, s, A, K, mol, cd. Plus 2 supplementary (rad + sr) that are dimensionless.
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