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AIPMT 2008 Physics and Chemistry Paper
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© examsnet.com
Question : 21
Total: 100
On a new scale of temperature (which is linear) and called the W scale, the freezing and boiling points of water are
39
∘
W
and
239
∘
W
respectively. What will be the temperature on the new scale, corresponding to a temperature of
39
∘
C
on the Celsius scale ?
200
∘
W
139
∘
W
78
∘
W
117
∘
W
Validate
Solution:
W
is the temperature on new scale corresponding to
39
∘
C
on
∘
C
scale.
So,
C
−
0
100
−
0
=
W
−
39
239
−
39
⇒
C
100
=
W
−
39
200
or
W
=
C
100
×
200
+
39
=
39
100
×
200
+
39
=
78
+
39
=
117
So, temperature on new scale is
117
∘
W
corresponding to
39
∘
C
.
© examsnet.com
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