If threshold of hearing is 0.0002 bar, what will be the SPL in decibels if sound pressure is 200 μ bar?

If threshold of hearing is 0.0002 bar, what will be the SPL in decibels if sound pressure is 200 μ bar?

Q. If threshold of hearing is 0.0002 bar, what will be the SPL in decibels if sound pressure is 200 μ bar?

A.            110

B.            120

C.            130

D.            140

Answer: 120

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