Asked: Uttarakhand P.C.S. (Pre) 2002medium Level
QUESTION STATEMENT:द्विभाषी / Bilingual
1 किग्रा./सेमी.$^2$ दाब समतुल्य है—
A pressure of 1 kg/cm$^2$ is equivalent to—
SELECT CORRECT OPTION:
A
0.1 बार के
0.1 bar
B
1.0 बार के
1.0 bar
Correct
C
10.0 बार के
10.0 bar
D
100.0 बार के
100.0 bar
Official Solution & Explanation:
Correct Answer: Option B(1.0 बार के)
$1 \text{ डाइन} = 1.02 \times 10^{-6} \text{ किग्रा.}$ तथा $1 \text{ बार} = 10^6 \text{ डाइन/सेमी.}^2 = 1.02 \times 10^{-6} \times 10^6 \text{ किग्रा./सेमी.}^2 = 1.02 \text{ किग्रा./सेमी.}^2$। अतः $1 \text{ किग्रा./सेमी.}^2 \approx 1.0 \text{ बार}$ के समतुल्य होता है।
Since $1 \text{ bar} = 10^6 \text{ dyne/cm}^2 \approx 1.02 \text{ kgf/cm}^2$, a pressure of $1 \text{ kg/cm}^2$ is approximately equivalent to $1.0 \text{ bar}$.
Subject: General Science•Topic: Units and Dimensions•Subtopic: Units and Dimensions
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