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महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता ११ वी

What do you mean by significant figures? - Chemistry

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प्रश्न

What do you mean by significant figures?

एका वाक्यात उत्तर
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उत्तर

The significant figures in measurement or result are the number of digits known with certainty plus one uncertain digit.

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Mathematical Operation and Error Analysis
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पाठ 2: Introduction to Analytical Chemistry - Exercises [पृष्ठ २३]

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बालभारती Chemistry [English] Standard 11 Maharashtra State Board
पाठ 2 Introduction to Analytical Chemistry
Exercises | Q 2. (B) | पृष्ठ २३

संबंधित प्रश्‍न

Distinguish between accuracy and precision.


Why is accurate measurement crucial in science?


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:

0.00254 m


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:

1.43 cm3


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:

0.0179 g


Solve the following question:

Round off the following quantity to three significant figures:

649.85


Solve the following question:

Round off the following quantity to three significant figures:

23,642,000 mm


Express the following sum to the appropriate number of significant figures:

2.3 × 103 mL + 4.22 × 104 mL + 9.04 × 103 mL + 8.71 × 105 mL


Solve the following problem:

Express the following quantity in exponential terms.

235.4678


Solve the following problem:

Express the following quantity in exponential terms.

1569.00


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.

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:

Write the following in exponential notation:

0.000098


Solve the following problem:

Write the following in exponential notation:

0.00461


Define : Least count


Define Least count.


Define Least count. 


Define: Least count


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