Class 10 Physics MCQs – Practice Test for Exam Prep

Importance of Acoustics Multiple Choice Questions with Answers – PDF Download

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Free Importance of Acoustics Learning App Download: "Technique or method to absorb undesirable sounds by soft and porous surface is called"; MCQ with answers: acoustic protection, unacoustic protection, audible protection, and decibel protection. Solve Sound Quiz Questions, download Google e-Book (Free Chapter) to enhance remote learning efficiency.

Importance of Acoustics MCQs PDF Download – Prep Test

MCQ 1: The technique or method to absorb undesirable sounds by soft and porous surface is called:

acoustic protection
unacoustic protection
audible protection
decibel protection

MCQ 2: When sound interacts with materials and boundaries, it displays all the properties of:

heat
waves
light
electricity

MCQ 3: Both bats and dolphins can “see” using:

electric waves
light waves
heat waves
sound waves

MCQ 4: Soft materials absorb a large amount of:

heat energy
light energy
electromagnetic waves
sound energy

MCQ 5: The echo of sound is more prominent if the surface is:

soft
rigid
porous
smooth

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