Asked: B.P.S.C. (Pre) 2019medium Level
QUESTION STATEMENT:द्विभाषी / Bilingual
निम्नलिखित में से कौन-सी अदिश राशि है?
Which one of the following is a scalar quantity?
SELECT CORRECT OPTION:
A
बल
Force
B
दाब
Pressure
Correct
C
वेग
Velocity
D
त्वरण
Acceleration
E
उपर्युक्त में से कोई नहीं/उपर्युक्त में से एक से अधिक
None of the above / More than one of the above
Official Solution & Explanation:
Correct Answer: Option B(दाब)
वे राशियां जिनको व्यक्त करने के लिए केवल परिमाण की आवश्यकता होती है, दिशा की नहीं, उन्हें अदिश राशियां (Scalar quantities) कहते हैं; जैसे— दाब, आयतन, चाल, दूरी, द्रव्यमान आदि। बल, वेग और त्वरण सदिश राशियां हैं।
Physical quantities that require only magnitude and no specific direction for their complete specification are called scalar quantities; e.g., pressure, volume, speed, mass. Force, velocity, and acceleration are vector quantities.
Subject: General Science•Topic: Units and Dimensions•Subtopic: Units and Dimensions
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