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WorksheetsUnderstanding Base Quantities and Derived Quantities
Total questions: 10
Worksheet time: 7mins
Name
Class
Date
1.
Which of the following quantity is base quantity ?
a)
voltage
b)
electric current
c)
electric energy
d)
electric power
2.
Which of the following pairs of physical quantity and SI unit is correct ?
a)
Mass - SI unit : Gram
b)
Time - SI unit : Hour
c)
Electric current - SI unit : Volt
d)
Temperature - SI unit : Kelvin
3.
Which of the following shows the prefixs in descending order correctly ?
a)
mega, giga, kilo, nano
b)
giga, kilo, mega, nano
c)
nano, kilo, mega, giga
d)
giga, mega, kilo, nano
4.
A radio station transmits a radio wave of frequency 98.8 MHz. What is the frequency in Hz ?
a)
9.88 x 10^4
b)
9.88 x 10^5
c)
9.88 x 10^6
d)
9.88 x 10^7
5.
Which of the following is the longest ?
a)
2.35 x 10^12 μm
b)
2.35 x 10^6 mm
c)
2.35 x 10^4 cm
d)
2.35 x 10^4 m
6.
The speed of the car in diagram is 72 km/h
What is the speed in ms-1 ?
What is the speed in ms-1 ?
a)
18
b)
20
c)
36
d)
40
7.
Which of the following values is equal to 710 nF ?
a)
7.1x10^-11 F
b)
7.1x10^91 F
c)
7.1x10^-8 F
d)
7.1x10^-7 F
8.
What is base quantities ?
a)
the branch of science concerned with the nature and properties of matter and energy
b)
the branch of science that deals with the identification of the substances of which matter is composed
c)
physical quantities that cannot be defined in terms of other physical quantities
9.
What is derived quantities ?
a)
a tendency to do nothing or to remain unchanged.
b)
combination of two or more base quantities
c)
the quantity of motion of a moving body, measured as a product of its mass and velocity.
10.
Name the physical quantity measured by the voltmeter
a)
Voltage
b)
voltmeter
c)
V
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