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Subjects
Science State Board
Class 8
Measurment
Textbook questions
14.
Answer briefly - I
Exercise condition:
6
m.
1
.
What is measurement?
Measurement
is the method of determining an
known
unknown physical
quantity by comparing it to a
unknown physical
known
quantity.
For a perfect measurement, three things are required. They are
instrument
metre scale
gadgets
,
physical quantity
standard quantity
unknown quantity
and
unit
range
number
.
2
.
Name the three scales of temperature.
(i)
Coulomb
Centigrade
Celsius
(ii)
Fahrenheit
Watt
Faraday
(iii)
Ampere
Kelvin
Watt
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