Physical Quantities and Measurements
Amount of a substance in terms of numbers is measured in
gram
kilograms
mole
newton
mole
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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 ร 10-8ย s as
A. 0.335 ยตs
B. 33.5 ยต
C. 335 ยตs
D. 3.35 ยตs
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
The unit of volume is
A. meter
B. meterยฒ
C. meterยณ
D. None of these
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