Asked: R.A.S./R.T.S. (Pre) 2007medium Level
QUESTION STATEMENT:द्विभाषी / Bilingual
किस बिंदु पर फॉरेनहाइट तापक्रम सेंटीग्रेड तापक्रम का दोगुना होता है?
At what point is the Fahrenheit temperature double the Centigrade temperature?
SELECT CORRECT OPTION:
A
- 6.7°C
-6.7°C
B
-12.3°C
C
12.3°C
D
160°C
Correct
Official Solution & Explanation:
Correct Answer: Option D(160°C)
सूत्र $$\frac{C}{5} = \frac{F - 32}{9}$$ में शर्त $$F = 2C$$ रखने पर:
$$\frac{C}{5} = \frac{2C - 32}{9} \implies 9C = 10C - 160 \implies C = 160^\circ\text{C}$$
अतः $$160^\circ\text{C}$$ (तथा $$F = 320^\circ\text{F}$$) पर फॉरेनहाइट तापमान सेंटीग्रेड तापमान का ठीक दोगुना होता है।
Using $$\frac{C}{5} = \frac{F - 32}{9}$$ and substituting $$F = 2C$$ gives $$\frac{C}{5} = \frac{2C - 32}{9} \implies 9C = 10C - 160 \implies C = 160^\circ\text{C}$$ ($$F = 320^\circ\text{F}$$).
Subject: General Science•Topic: Heat and Thermodynamics•Subtopic: Heat and Thermodynamics
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