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Class 7 Science MCQs – Certification Test 779

Sound Absorption MCQ (Question 779) – App & e-Book Download

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MCQ 779: Large concert halls have modified roofs which:

  1. absorb sounds
  2. reflect sounds
  3. increase loudness of sounds
  4. decrease pitch of sounds
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Class 7 Science MCQ App & e-Book – Sound Absorption Certification Guide

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Sound Absorption MCQ App Download: iOS & Android Apps

Sound Absorption MCQ App

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7th Grade Science MCQ App

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