At what temperature, both Celsius a...
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At what temperature, both Celsius and Fahrenheit scale read the same value:
(B) ( 130^{circ} )
(C) ( 60^{circ} )
(D) ( -40^{circ} )

JEE/Engineering Exams
Chemistry
Solution
94
Rating
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At what temperature, both Celsius and Fahrenheit scale read the same value:
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(f=frac{9}{5}(C)+32 )
Retth'blo fehrenticit 4 "C if let at at x temp. Gop Shows the same reading
[
begin{array}{l}
begin{aligned}
Rightarrow x=frac{9}{5}(x)+32 Rightarrow 5 x &=9 x+160
=4 x=-160
{x}=-40 & text { in }So required is-40^{circ} mathrm{c}
end{aligned}
end{array}
]
option (d)

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