Physical Quantities and Measurements
Kilo means in SI is one
thousand
hundred
ten
million
thousand
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Quantities on basis of which other ones are expressed are calledA. derived quantities
B. physical quantities
C. base quantities
D. scalar quantities
The least count of the screw gauge is
A. 1 mm
B. 0.5 mm
C. 0.01 mm
D. 0.001 mm
10,000 m/sec is the speed of a
A. aero plane
B. rocket
C. satellite signal
D. car
By using prefixes, we can write 335 × 10-8 s as
A. 0.335 µs
B. 33.5 µ
C. 335 µs
D. 3.35 µs
Non-zero digits are always
A. significant
B. non-significant
C. worthless
D. none of above
The unit of volume is
A. meter
B. meter²
C. meter³
D. None of these
A single system on which all scientists all over the world agree for units of measurement is called
A. SI units
B. International System of Units
C. both a and b
D. universal system
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