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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 ?

a
200° W
b
139°W
c
78°W
d
117°W

detailed solution

Correct option is D

C-0100-0=W-LPFUPF-LPF ⇒          39-0100-0=W-39239-39⇒W=117oW

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