WorksheetsBWS Physics Y12 Derived units and Homogeneous equations
Total questions: 20
Worksheet time: 32mins
Name
Class
Date
1.
Which of the following is not an SI unit
a)
mass
b)
length
c)
time
d)
charge
2.
The SI base unit is
a)
metre
b)
Newton
c)
Kelvin
d)
Centigrade
3.
The SI base unit is
a)
Ampere
b)
Watt
c)
Volt
d)
Ohm
4.
The SI base unit is
a)
kilograms
b)
grams
c)
Newton
d)
milligrams
5.
The SI base unit is
a)
second
b)
minute
c)
millisecond
d)
hour
6.
The SI base unit is
a)
metre
b)
inch
c)
kilometre
d)
millimetre
7.
In which of the following derived units can mechanical work be expressed?
a)
kgm−2
b)
kgm−1
c)
kg2ms−2
d)
kgm2s−2
8.
The derived unit kgm2s−3A−1 is equivalent to:
a)
Newton
b)
Volt
c)
Watt
d)
Ohm
9.
The derived unit kgm2s−3A−2 is equivalent to:
a)
Newton
b)
Volt
c)
Watt
d)
Ohm
10.
The derived unit kgms−2 is equivalent to:
a)
Newton
b)
Volt
c)
Watt
d)
Ohm
11.
The derived unit kgm2s−3 is equivalent to:
a)
Newton
b)
Volt
c)
Watt
d)
Ohm
12.
This equation is homogeneous since
a)
the base units on the left don't equal the base units on the right
b)
the base units on the left equal the base units on the right
c)
mass has base units of kg but no kg appears in pressure base units
d)
volume has no base units in common with pressure
13.
Which of these equations are homogenous?
a)
Ft = mv
b)
Pt = Fs
c)
at2 = 2vt
d)
all of these
14.
Is this equation homogenous?
PIQ = I2W
PIQ = I2W
a)
Yes
b)
No
c)
sometimes
d)
usually
15.
How do you convert kJ to J
a)
x 1000
b)
x100
c)
x10
d)
/1000
16.
How do you convert kW to W
a)
x1000
b)
x100
c)
/1000
d)
/100
17.
How do you convert minutes to seconds
a)
x10
b)
x60
c)
x3600
d)
x100
18.
How do you convert hours to seconds
a)
x1000
b)
x60 x60
c)
x60
d)
x100
19.
How do you convert cm2 to m2
a)
x1000
b)
/1000
c)
/(100x100)
d)
x(100x100)
20.
How do you convert m3 to cm3
a)
x10000
b)
/10000
c)
/(100000)
d)
x(100x100x100)
100 %
