Asked: U.P.P.C.S. (Pre) 2018medium Level
QUESTION STATEMENT:द्विभाषी / Bilingual
ध्वनि का वेग अधिकतम होगा -
The velocity of sound will be maximum in -
SELECT CORRECT OPTION:
A
निर्वात में
Vacuum
B
वायु में
Air
C
जल में
Water
D
इस्पात में
Steel
Correct
Official Solution & Explanation:
Correct Answer: Option D(इस्पात में)
ध्वनि का वेग इस्पात (ठोस) में अधिकतम होता है। इस्पात में ध्वनि की चाल लगभग $5000\text{ m/s}$ होती है।
Sound travels fastest in solids due to higher elasticity. Among the given options, the velocity of sound is maximum in steel (approximately $5000\text{ m/s}$ to $5960\text{ m/s}$).
Subject: General Science•Topic: Sound / Acoustics•Subtopic: Sound / Acoustics
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