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Physics · UNITS AND MEASUREMENT

हिन्दी

If a measured length is expressed in different units such as \( 23.08 \text{ mm} \), \( 2.308 \text{ cm} \), and \( 0.02308 \text{ m} \), how does the number of significant figures change?

  1. It changes with the choice of units
  2. It remains unchanged (four significant figures)
  3. It decreases when converted to meters
  4. It increases when converted to millimeters

Correct answer · Option 2

It remains unchanged (four significant figures)

Explanation

A choice of change of different units does not change the number of significant digits or figures in a measurement; all represent four significant figures.
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