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13 questions
Define vector quantity.
Quantity which has magnitude.
Quantity which has both magnitude and direction
Quantities that cannot be defined in term of other physical quantities
Quantities derived from combination of base quantities through multiplication or division or both
Choose TWO(2) examples of base quantity
Mass and density
Length and area
Length and mass
Mass and velocity
Find the correct scientific notation for 0.00000089 mm
Define physical quantity
Quantities that cannot be defined in term of other physical quantities
Quantities derived from combination of base quantities through multiplication or division or both.
Quantity that cannot be measured
Quantity that can be measured
Determine the reading of the following measurement tools.
2.72 cm
2.78 cm
2.82 cm
2.88 cm
Convert 75𝜇𝑔 𝑡𝑜 𝑔
75000000 g
0.0075 g
0.000075 g
75000 g
Find SI unit of density
g/m2
g/m3
kg/m2
kg/m3
What is the SI unit of weight?
kilograms
grams
newtons
kg
Electric current is a vector quantity
True
False
When a standard is set for a quantity, then standard quantity is called a
unit
amount
rate
prefix
By using prefixes, we can write 335 × 10-8 s as
0.335 µs
3.35 µs
33.5 µ
335 µs
1 cm2 =
100 m2
1000 m2
0.0001 m2
1 m2
Distance is a scalar quantity
true
false
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