Question

A standard unit should be
1) consistent 2) reproducible 3) invariable 4) easily available

Answer 1

Answer:

Option 1 is correct

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Answer 2

The correct answer is option (d) a, b, c, d are true.

Explanation:

• A standard unit should be Consistent, Reproducible, Invariable and Easily available for usage.
• It is true, that the standards of units be easily available, invariable, indestructible and easily reproducible.
• Standard unit should be easily reproduced which means it it Reproducible.
• Standard unit should not change with respect to place and time which means it is Consistent.
• It should be convenient in size and is Invariable and Easily available for usage.
• Thus, all the options are correct.