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Viva questions for Physics Class 12
विज्ञान 10 – महत्वपूर्ण MCQs
Fundamentals of Arithmetic
Science 10 – Important MCQs

P11 Measuring Instruments – 01

P11 Measuring Instruments – 01

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Question 1 of 5

1. Question

What is least count?

Least count of a measuring instrument is defined as any value that it can measure. It is any subdivision.

Least count of a measuring instrument is defined as the smallest value that it can measure. It is smallest subdivision.

Least count of a measuring instrument is defined as the largest value that it can measure. It is largest subdivision.

Least count of a measuring instrument is defined as least number of counting on it. It is total number of subdivisions.

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Question 2 of 5

2. Question

Significant digits for a measured value include

certain digits only

uncertain digits only

All certain digits and first uncertain digit

All certain digits and all uncertain digits

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Question 3 of 5

3. Question

Uncertain digit in a measured value is obtained by

least count

main division

either main division or subdivision

estimation

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Question 4 of 5

4. Question

Which of the following is NOT considered as significant digits?

non-zero digits

all zeroes before first non-zero digit

all zeroes between non-zero digits

all zeroes after non-zero digits in a number containing decimal

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Question 5 of 5

5. Question

Which of the following is incorrect?

All counting numbers will have significant digits equal to number of digits in the number. For example, 192 balls will have 3 significant digits, 2023 pebbles will have 4 significant figures and so on.

Zeroes after non-zero digits are not always significant. It is better clear if measured value is expressed in scientific notations.

All counting numbers as used in 6 apples will have infinite significant digits

number of significant figures does not depend on the number of unit of measurement used.

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Points Table
Viva questions for Physics Class 12
विज्ञान 10 – महत्वपूर्ण MCQs
Fundamentals of Arithmetic
Science 10 – Important MCQs

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