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Physics · JEE | UNITS AND MEASUREMENT

हिन्दी

Given below are two statements: Statement I: A physical quantity can be measured with high precision yet still be inaccurate due to systematic errors. Statement II: The number of significant figures in a measurement depends upon the choice of units used to express it.

  1. A
    Both Statement I and Statement II are correct.
  2. B
    Both Statement I and Statement II are incorrect.
  3. C
    Statement I is correct but Statement II is incorrect.
  4. D
    Statement I is incorrect but Statement II is correct.
View Answer & Solution

Correct answer · Option C

Statement I is correct but Statement II is incorrect.

Explanation

Precision refers to the resolution of measurement, which can be high even with systematic shifts (inaccuracy). Statement II is false because a change of units does not change the number of significant digits in a measurement.
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