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Physical Quantities and Measurements
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Physical Quantities and Measurements
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Physical Quantities and Measurements
Space which is occupied by a substance is measured in
density
area
volume
mass
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Physical Quantities and Measurements
The instruments which can be used to measure length includes
measuring tapes
meter ruler
Vernier caliper
all of them
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Physical Quantities and Measurements
Higher speed is seen in an
faster moving object
slower moving object
constant moving object
still object
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Physical Quantities and Measurements
The prefix for 4800000 W is
48 kW
480 kW
48 W
4800 kW
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Physical Quantities and Measurements
The prefixes are useful to express
very small quantity only
very large quantity only
derived units
very small and large quantities
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Physical Quantities and Measurements
The measure of a surface of extent is called as
area
diameter
length
cover
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Physical Quantities and Measurements
The study of the fourth state of matter is called
nuclear physics
plasma physics
nano physics
quantum physics
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Physical Quantities and Measurements
By converting 30,000 grams into kilograms, we get
30 kg
3 kg
300 kg
0.3 kg
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Physical Quantities and Measurements
The error which is most common in measurements is due to wrong placement of eye while taking readings is called
parallax error
eye error
common error
free error
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Physical Quantities and Measurements
The number 0.0000548 can be represented in scientific notation as
5.48
548
5.48 * 10
-5
54.8
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