Class 7 Online Courses

Grade 7 Science MCQs

Grade 7 Science MCQ - Topics

Sound Absorption MCQ Quiz PDF Download

Learn Sound absorption Multiple Choice Questions (MCQ Quiz), sound absorption quiz answers PDF to study 7th grade science online course. Sound Waves Multiple Choice Questions and Answers (MCQs), Sound Absorption quiz questions PDF for school certificate. Sound Absorption Book PDF: sound absorption, all around sounds, speed of sound test prep for online elementary school classes.

"Large empty room often sounds" Multiple Choice Questions (MCQ) on sound absorption App APK with full, hollow, noisy, and repeating choices for school certificate. Study sound waves quiz questions for online certificate programs for online education.

MCQs on Sound Absorption

MCQ: Large empty room often sounds


MCQ: In concert halls, soft materials and carpets are used to

increase sound waves
absorb sound waves
retract sound waves
refract sound waves

MCQ: In large empty rooms, even a click keeps on


MCQ: Echoes are formed when sound

strikes a wall and reflects back
strikes a wall and is absorbed
hits the eardrum repeatedly

MCQ: Large concert halls have modified roofs which

absorb sounds
reflect sounds
increase loudness of sounds
decrease pitch of sounds