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प्रश्न
Choose the correct option:
In Avogadro’s constant 6.022 × 1023 mol-1, the number of significant figures is ________
विकल्प
3
4
5
6
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उत्तर
In Avogadro’s constant 6.022 × 1023 mol-1, the number of significant figures is 4
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संबंधित प्रश्न
Distinguish between accuracy and precision.
Solve the following question:
Round off the following quantity to two significant figures:
25.55 mL
Solve the following question:
Round off the following quantity to two significant figures:
1.491 × 105 mg
Solve the following question:
Round off the following quantity to three significant figures:
643 cm2
Solve the following question:
Round off the following quantity to three significant figures:
0.039 m
Solve the following question:
Round off the following quantity to three significant figures:
79,000 m
Solve the following question:
Round off the following quantity to three significant figures:
23,642,000 mm
Solve the following question:
Round off the following quantity to three significant figures:
0.0041962 kg
Solve the following problem:
Give the number of significant figures for the following.
1.230 × 104
Solve the following problem:
Give the number of significant figures for the following.
0.002030
Solve the following problem:
Give the number of significant figures for the following.
1.23 × 104
Solve the following problem:
Give the number of significant figures for the following.
1.89 × 10-4
Solve the following problem:
Express the given quantity with or without exponents as the case may be.
1.230 × 104
Solve the following problem:
Express the given quantity with or without exponents as the case may be.
1.23 × 104
Solve the following problem:
Write the following in exponential notation:
3,672,199
Solve the following problem:
Write the following in exponential notation:
0.00461
Solve the following problem:
Write the following in exponential notation:
198.75
Solve the following problem:
Perform the following operation:
2.12 × 106 − 3.5 × 105
Define: Least count
Define: Least count
Define: Least count
Define : Least count
Define: Least count
Define Least count
