Q94: Given below are two statements, one is labelled as Assertion... - Mathematics, Statistics, Fluid Mechanics, Irrigation, Drainage & Water Laws - ICAR AIEEA PG 2024 - Water Science and Technology | Agrigyan

94
ICAR AIEEA PG 2024 - Water Science and Technology
Assertion & Reason

Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).

Assertion (A) : Surface tension is the result of cohesive forces between molecules in the bulk of a liquid.
Reason (R) : Surface tension is a measure of the energy required to increase the surface area of a liquid due to the attractive forces between molecules at the surface.

In light of the above statements, choose the correct answer from the options given below.

नीचे दो कथन दिए गए हैं, एक को अभिकथन (Assertion A) और दूसरे को कारण (Reason R) के रूप में लेबल किया गया है।

अभिकथन (A) : पृष्ठ तनाव (surface tension) किसी तरल के आंतरिक भाग (bulk) में अणुओं के बीच संसंजक बलों (cohesive forces) का परिणाम है।
कारण (R) : पृष्ठ तनाव सतह पर अणुओं के बीच आकर्षक बलों के कारण किसी तरल के सतह क्षेत्र को बढ़ाने के लिए आवश्यक ऊर्जा का माप है।

उपरोक्त कथनों के आलोक में, नीचे दिए गए विकल्पों में से सही उत्तर चुनें:

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