![A person standing 50 m away from an HEMM experiences 90 dB sound pressure](https://www.gkseries.com/blog/wp-content/uploads/2023/10/A-person-standing-50-m-away-from-an-HEMM-experiences-90-dB-sound-pressure.jpg)
Q. A person standing 50 m away from an HEMM experiences 90 dB sound pressure level. If the person moves to a new location that is 70 m away from the HEMM, the sound pressure level experienced by the person, in dB, becomes _
.
Q. A person standing 50 m away from an HEMM experiences 90 dB sound pressure level. If the person moves to a new location that is 70 m away from the HEMM, the sound pressure level experienced by the person, in dB, becomes _
.
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