aslam use thermometer of 20 smaller division between two consecutive bigger marksof 30 and 40 while determine the temperature of liquid using thi thermometer the level of murcuery become constant just two smaller divison below80c mark the temperature of liquid is
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In a thermometer, distance between the upper and lower fixed points is 80cm, (a) Find the temperature on Celsius scale if the mercury level rises to a height 10.4cm above the lower fixed point. What will be the temperature recorded in part
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Updated on : 2022-09-05
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Correct option is A)
Let the temperature be measured between the upper point 100
o
C and lower point 0
o
C
a) Given the distance between upper and lower fixed points=80cm
i.e. 1cm=
80
100
o
C
=1.25
o
C
1cm corresponds to 1.25
o
C
Given that the mercury level rises to a height 10.4cm above the lower fixed point
∴temperature=10.4×1.25
o
C=13
o
C
The temperature on celsius scale corresponding to mercury level of height 10.4cm=13
o
C
b) From celsius to fahrenheit scale
9
f−32
=
5
C
f=
5
9C
+32
=
5
9×13
+32
=55.4℉
the temperature recorded on fahrengeit scale=55.4℉
Step-by-step explanation:
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