SSC JE Civil 7 Jun 2024 Shift 1 Paper

Question : 162 of 200

Marks: +1, -0

Which of the following statements is INCORRECT?

The sound pressure of the faintest fastest sound that can be heard by a normal healthy individual is about 10 micropascals.
The sound pressure is expressed on a logarithmic scale. Sound level $L = \log _{10}⁡\;{Q}/{Q_{0}}$ Bels
Where Q = sound intensity, Qo = reference sound intensity
Measurements of the sound pressure on logarithmic scales are called levels.

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