Sound becomes a hazardous noise pollution if its level is a above
A) 30 Db
B) 120 dB
C) 80 dB
D) 150 Db
Correct Answer:
Verified
Q11: Male mosquito does not carry malarial parasite
Q12: Continuous fever, headache, slow pulse, pain in
Q13: Bark of which plant yields famous drug
Q14: If there were no ultraviolet rays reaching
Q15: Smog is a combination of
A)fire and water
B)smoke
Q17: Maximum threat to the world is from
Q18: Which of the following is the symbol
Q19: Which of the following is least compressible?
A)gas
B)liquid
C)solid
D)none
Q20: Which of the following is not a
Q21: Atomicity of Phosphorous is
A)1
B)2
C)4
D)6
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