Physics
NULL
Medium
Question
An ideal standard of measurement of a base quantity has characteristics_______________?
A
Accessible
B
Invariable
C
Transportable
D
Only a and b are correct
✓ Official correct answer
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A
Accessible
No member explanations yet for this option.
B
Invariable
No member explanations yet for this option.
C
Transportable
No member explanations yet for this option.
D
Only a and b are correct
No member explanations yet for this option.
Explanation
An ideal standard for a base quantity should be accessible (available for comparison) and invariable (does not change with time or conditions).
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