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Physics · UNITS AND MEASUREMENT

हिन्दी

The mole is the SI unit of amount of substance. One mole contains exactly how many elementary entities?

  1. \( 6.02214076 \times 10^{22} \)
  2. \( 6.02214076 \times 10^{23} \)
  3. \( 1.380649 \times 10^{-23} \)
  4. \( 6.62607015 \times 10^{-34} \)

Correct answer · Option 2

\( 6.02214076 \times 10^{23} \)

Explanation

One mole contains exactly \( 6.02214076 \times 10^{23} \) elementary entities, corresponding to the fixed numerical value of the Avogadro constant.
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