Asked: I.A.S. (Pre) 1993, U.P. U.D.A./L.D.A. (Pre) 2003, U.P.P.C.S. (Mains) 2015medium Level
QUESTION STATEMENT:द्विभाषी / Bilingual
कितना तापमान होने पर पाठ्यांक सेल्सियस और फॉरेनहाइट तापमापियों में एक ही होंगे?
At what temperature do the Celsius and Fahrenheit temperature scales read the same value?
SELECT CORRECT OPTION:
A
- 40
-40
Correct
B
212
C
40
D
100
Official Solution & Explanation:
Correct Answer: Option A(- 40)
सेल्सियस और फॉरेनहाइट पैमाने में संबंध सूत्र $$\frac{C}{5} = \frac{F - 32}{9}$$ होता है।
यदि $$C = F = x$$ रखें, तो:
$$\frac{x}{5} = \frac{x - 32}{9} \implies 9x = 5x - 160 \implies 4x = -160 \implies x = -40$$
अतः $$-40^\circ$$ पर दोनों पैमानों का मान समान होता है।
Using the temperature conversion formula $$\frac{C}{5} = \frac{F - 32}{9}$$, setting $$C = F = x$$ yields $$9x = 5x - 160 \implies 4x = -160 \implies x = -40$$. Thus, $$-40^\circ\text{C} = -40^\circ\text{F}$$.
Subject: General Science•Topic: Heat and Thermodynamics•Subtopic: Heat and Thermodynamics
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