25. A standard unit A) is the same in all systems of units. B) may not be fixed

Question

25. A standard unit A) is the same in all systems of units. B) may not be fixed in value. C) is found only in the British system. D) is used for taking accurate measurements. E) is found only in the metric system. 26. The standard unit of length in the mks system is the A) meter B) kilogram C) pound D) second E) gram 27. The metric prefix that means one hundredth (1/100) is A) kilo- .B) centi-. C) mega-. D) milli- 4 cm is a(n) A) equivalence statement. B) convergence factor C) derived unit. D) fundamental quantity. A derived unit 29. A) involves only length. B) is a combination of units d in the metric system. An observer measures the North Star (Polaris) at an altitude of 40°. The observer's latitude is 30. A) 5°N. B) 50° N. C) 75°N. D) 40°N. E) none of these.

Explanation / Answer

25.

Option: (E) is found only in the metric system

The current international standard metric system is the International System of Units (abbreviated to SI)

There are seven basic units in the SI system: the meter (m), the kilogram (kg), the second (s), the kelvin (K), the ampere (A), the mole (mol), and the candela (cd).

(26)

(A) Meter

MKS stands for Meter , Kilogram and second

Mete is used for Length

(27)

(B ) Centi

1 meter = 100 cm

1 cm = 1/100 m

(28)

(A) equivalence statement

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