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WorksheetsPhysical world L-1
Total questions: 20
Worksheet time: 9mins
Chose the correct statement
a dimensionally correct equation must be correct
a dimensionally correct equation may be correct
a dimensionally incorrect equation must be in correct
a dimensionally incorrect equation may be correct
Both b and correct
Which of the following is the most precise instrument for measuring length
meter rod of least count o.1 cm
vernier calipers of least count o.o1 cm
screw gauge of least count o.oo1 cm.
data is not sufficient to decide
Which kind of error is unavoidable
experimental
instrumental
personal
random
1 Astronomical unit (AU) is equal to
1.496x1011 m
1.496x1012 km
9.46x1015 m
3.08x1016 m
Parsec is a unit to measure
Time
Distance
Angle between the planets and sun
Speed of light
1 lunar month contains how many days?
29.3 Days
30 Days
29 Days
27.3 Days
Which of the following is not a SI unit?
Degree celsius
Kelvin
Fahrenheit
Metre
The SI unit for measuring volume is the __(__).
meter (m)
liter (L)
cubic meter (m3)
gram (g)
The SI unit for measuring mass is the
__(__).
meter (m)
liter (L)
cubic meter (m3)
kilogram (kg)
The SI unit for temperature is __(__).
degree fahrenheit (° F)
degree celsius (° C)
kelvin (K)
degree centigrade (°C)
The SI unit for time is the __(__)
meter (m)
liter (L)
gram (g)
second (s)
The SI Unit for weight is the __(__)
kilogram (kg)
gram (g)
newton (N)
cubic gram (g3)
Which of the following is the correct prefix for 10-2?
milli-
centi-
deca-
hecto-
How many significant figures are in 0.00245
Five (5)
Six (6)
Three (3)
Two (2)
What is meant by the SI System?
Systeme Internationale
Metric System
System in Spanish
International community system in English
How many significant figures are in 12,000,000?
Eight (8)
Four (4)
Two (2)
None
