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The Sound and vacuum Multiple Choice Questions (MCQ Quiz) with Answers PDF (Sound and Vacuum MCQ PDF e-Book) download to learn Class 7 Science Tests. Study Sound Waves Multiple Choice Questions and Answers (MCQs), Sound and Vacuum quiz answers PDF to learn online classes courses. Free Sound and Vacuum MCQ App – Download Class 7 Science App to learn sound absorption, all around sounds, speed of sound test prep for online education programs.

The MCQ: We cannot hear alarm of a clock if there is; "Sound and Vacuum MCQ" App Download [Free] with answers: vacuum in the jar, air in the jar, liquid in the jar, and solid in the jar to learn online classes courses. Solve Sound Waves Quiz Questions, download Apple Book (Free Chapter) for elementary school graduation certificate.

Sound and Vacuum MCQs PDF Download – Prep Test

MCQ 1: We cannot hear alarm of a clock if there is:

  1. vacuum in the jar
  2. air in the jar
  3. liquid in the jar
  4. solid in the jar

MCQ 2: Sound can travel through air because:

  1. air has pressure
  2. air has humidity
  3. air has particles
  4. air has temperature

MCQ 3: An example to demonstrate the effect of sound in vacuum is:

  1. vacuum bell jar
  2. simple bell jar
  3. air pump and ring
  4. air pump and clock

MCQ 4: Sound cannot travel in vacuum because:

  1. there is no pressure in vacuum
  2. there is no air in vacuum
  3. there is no humidity in vacuum
  4. there are no particle in vacuum

MCQ 5: We can hear the voice of alarm clock when there is:

  1. vacuum in the jar
  2. air in the jar
  3. liquid in the jar
  4. space in the jar

Class 7 Science MCQs App & e-Book – Sound and Vacuum Practice Tests

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The App: Sound and Vacuum MCQs App to study Sound and Vacuum Textbook Notes, 7th Grade Science MCQ App, and 8th Grade Science MCQ App. The "Sound and Vacuum" App – Free 7th Grade Science MCQ App Download (iOS & Android) for elementary school graduation certificate. Download App Store & Play Store study Apps with all functionalities to learn online classes courses.

Sound and Vacuum MCQ App (Android & iOS)

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