Physical Quantities and Measurements
The unit of volume is
meter
meterĀ²
meterĀ³
None of these
meterĀ³
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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 Ć 10-8Ā s as
A. 0.335 Āµs
B. 33.5 Āµ
C. 335 Āµs
D. 3.35 Āµs
Kilo means in SI is one
A. thousand
B. hundred
C. ten
D. million
Non-zero digits are always
A. significant
B. non-significant
C. worthless
D. none of above
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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