Statement I: Measurement means determining the value of a known quantity by comparing it with an unknown quantity of the same nature.
Statement II: The value of a physical quantity has a number and unit associated with it.

Statement I is correct, but Statement II is incorrect.

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Both statements are correct, but Statement II is not the correct explanation of Statement I.

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Both statements are correct, and Statement II is the correct explanation of Statement I.

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Statement I is incorrect, but Statement II is correct.

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Solution

The correct option is D Statement I is incorrect, but Statement II is correct.

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Similar questions

Statement 1: Measurement is the comparison of an unknown quantity with a known quantity.
Statement 2: The result of a measurement can be expressed without units.

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Statement 2: Unit is the known quantity.

Which of the following is correct?

Q. Assertion :Statement I : A physical quantity can be regarded as a vector, if magnitude as well as direction is associated with it.
Reason: Statement II : A physical quantity can be regarded as a scalar quantity, if it is associated with magnitude only.

Q. Refer to the following statements and pick the correct option.
1. Quantities that can be measured are called physical quantities.
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Q. Measurement is the comparison of an unknown quantity with a known quantity.

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Statement I: Measurement means determining the value of a known quantity​ by comparing it with an unknown quantity of the same nature.​ Statement II: The value of a physical quantity has a number and unit associated with it.

The correct option is D Statement I is incorrect, but Statement II is correct.

Statement I: Measurement means determining the value of a known quantity by comparing it with an unknown quantity of the same nature.
Statement II: The value of a physical quantity has a number and unit associated with it.