Asked: U.P.P.C.S. (Mains) 2010medium Level
QUESTION STATEMENT:द्विभाषी / Bilingual
विश्व स्वास्थ्य संगठन के अनुसार, एक नगर के लिए सुरक्षित ध्वनि प्रदूषण स्तर है-
According to the World Health Organization (WHO), the safe noise pollution level for a city is:
SELECT CORRECT OPTION:
A
45 db
45 dB
Correct
B
50 db
50 dB
C
55 db
55 dB
D
60 db
60 dB
Official Solution & Explanation:
Correct Answer: Option A(45 db)
विश्व स्वास्थ्य संगठन (WHO) द्वारा किसी नगर के लिए निर्धारित किया गया सुरक्षित ध्वनि प्रदूषण स्तर 45 डेसीबल (dB) है।
According to the World Health Organization (WHO), 45 dB is considered the safe ambient noise level for urban residential areas.
Subject: General Science•Topic: Sound / Acoustics•Subtopic: Sound / Acoustics
Practice this topic in CBT

Related Questions in Sound / Acoustics

View All

Attempt CG State Mock Tests in Real Exam Simulation

Access thousands of previous year questions and simulated mock papers with official negative marking and real-time state percentiles.

Practice Full Test Series Free