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Test: Uncertainty in Measurement (NCERT) - NEET MCQ


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10 Questions MCQ Test Chemistry Class 11 - Test: Uncertainty in Measurement (NCERT)

Test: Uncertainty in Measurement (NCERT) for NEET 2024 is part of Chemistry Class 11 preparation. The Test: Uncertainty in Measurement (NCERT) questions and answers have been prepared according to the NEET exam syllabus.The Test: Uncertainty in Measurement (NCERT) MCQs are made for NEET 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Uncertainty in Measurement (NCERT) below.
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Test: Uncertainty in Measurement (NCERT) - Question 1

Few figures are expressed in scientific notation.Mark the incorrect one.

Detailed Solution for Test: Uncertainty in Measurement (NCERT) - Question 1

8008 = 8.008 x 103

Test: Uncertainty in Measurement (NCERT) - Question 2

Mark the rule which is not correctly stated about the determination of significant figures.

Detailed Solution for Test: Uncertainty in Measurement (NCERT) - Question 2

Zero between two non - zero digits are significant.

Test: Uncertainty in Measurement (NCERT) - Question 3

Which of the following rules regarding the significant figures and calculations involving them is not correct?

Detailed Solution for Test: Uncertainty in Measurement (NCERT) - Question 3

Answer to a multiplication or division is rounded off to the same number of significant figures as possessed by the least precise term in the calculation.

Test: Uncertainty in Measurement (NCERT) - Question 4

The result of the operation 2.5 x 1.25 should be which of the following on the basis of significant figures?

Detailed Solution for Test: Uncertainty in Measurement (NCERT) - Question 4

2.5 x 1.25 = 3.125
Since 2.5 has two significant figures, the result should not have more than two significant figures. Hence, the answer will be 3.1.

Test: Uncertainty in Measurement (NCERT) - Question 5

How many significant figures are present in 0.010100 x 103?

Detailed Solution for Test: Uncertainty in Measurement (NCERT) - Question 5

0.010100 x 103 contains 5 significant figures.

Test: Uncertainty in Measurement (NCERT) - Question 6

What will be the answer in appropriate significant figures as a result of addition of 3.0223 and 5.041?

Detailed Solution for Test: Uncertainty in Measurement (NCERT) - Question 6

3.0223 + 5.041 = 8.0633
Since, 5.041 has only 3 digits after the decimal point, the result should be reported to 3 digits after decimal point.

Test: Uncertainty in Measurement (NCERT) - Question 7

Which of the following is the most accurate measurement?

Detailed Solution for Test: Uncertainty in Measurement (NCERT) - Question 7

9.000 m is the most accurate measurement as it is most precise among the given options.

Test: Uncertainty in Measurement (NCERT) - Question 8

Which of the following options is not correct?

Detailed Solution for Test: Uncertainty in Measurement (NCERT) - Question 8

Rule: The result of an addition or subtraction is reported to the same number of decimal places as present in number with the least decimal places.

Since the least precise number is 2.300 and that has three digits after the decimal, therefore the result of the above addition is rounded off to three decimal figures as 2.340.

126,000 has 3 significant figures as zeros are not counted

15.15μs = 15.15×10−6 s = 1.515×10−5 s

0.0048 = 4.8×10−3

Hence, the correct option is D.

Test: Uncertainty in Measurement (NCERT) - Question 9

What should be the volume of the milk (in m3) which measures 5 L?

Detailed Solution for Test: Uncertainty in Measurement (NCERT) - Question 9

Since 1 L = 1000 cm3 and 1 m = 100 cm

Test: Uncertainty in Measurement (NCERT) - Question 10

How many seconds are there in 3 days?

Detailed Solution for Test: Uncertainty in Measurement (NCERT) - Question 10

Seconds in 3 days can be calculated as

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