GkSeries.com

Environmental Studies Short Question | Gkseries

Q.

How thick a sound barrier be made if it is to attenuate efficiently sound transmitted at 5.0 kHz ?

[A] ~ 2.0 cm
[B] ~ 3.3 cm
[C] ~ 6.6 cm
[D] ~ 2.0 m
Answer & Explanation

Answer: ~ 6.6 cm

DOWNLOAD CURRENT AFFAIRS PDF FROM APP

Please share this page

Click Here to Read more questions

Teacher Eligibility Test