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Question Practice

What defines the base unit of length in the SI system?

Attempt the question, check the explanation, and continue with similar questions to build confidence before exams.

MCQ_SA
CBSE
Class 11
Physics
Physics Part - I
UNITS AND MEASUREMENTS
Question Bank

What defines the base unit of ...

Single Answer MCQ
Q-00056836

What defines the base unit of length in the SI system?

1

Fixed numerical value of the speed of sound

2

Fixed numerical value of the speed of light

3

Avogadro's number

4

Planck's constant

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