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Physical Quantities and Measurements
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General Science for Class 6
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Physical Quantities and Measurements
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Physical Quantities and Measurements
Road signs like 50 km/h are warning to drive in given
area
speed limit
direction
distance
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Physical Quantities and Measurements
The first made instrument by Egyptians in year 800 BC for measuring time was
sundial
compass
stop watch
pendulum clock
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Physical Quantities and Measurements
Weight and mass are used in our daily life as interchangeable hence they are
same
different
equal
no change
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Physical Quantities and Measurements
Sonya is tall is the observation which is
qualitative
quantitative
both a and b
respective
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Physical Quantities and Measurements
To measure various physical quantities such as length, time, mass, volume, etc. we use
mechanics
measuring instruments
prefixes
suffixes
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Physical Quantities and Measurements
A refrigerator is made on the principles of
heat
atomic physics
plasma physics
thermodynamics
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Physical Quantities and Measurements
The meaning of eighth thousandth of a gram in SI is eight
gram
milligrams
micrograms
monogram
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Physical Quantities and Measurements
The least count of the meter ruler is
0.1 mm
0.5 mm
1 mm
0.001 mm
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Physical Quantities and Measurements
The standard unit of time according to SI system is
minute
second
hour
day
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Physical Quantities and Measurements
An instrument used to measure small lengths such as internal or external diameter or length of a cylinder, etc. is called
Vernier calipers
physical balance
screw gauge
stop watch
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