Class 7 Science MCQs - Chapter 24
Sound Waves Multiple Choice Questions (MCQ) PDF - 10
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The MCQs: A strong beam of ultrasound can melt even a; "Sound Waves" App Download Android & iOS (Free) with answers metal, glass, soap and wax to study online certification courses. Practice ultrasound quiz questions, download Apple Book (Free Sample) for online degrees.
Sound Waves Questions & Answers PDF Download: MCQ Quiz 10
MCQ 46: A strong beam of ultrasound can melt even a
- glass
- metal
- soap
- wax
MCQ 47: Sound can travel through air because
- air has pressure
- air has humidity
- air has particles
- air has temperature
MCQ 48: Some fishing boats use echo to
- calculate the depth of water
- detect any predator
- detect shoal of fish
- eggs of fish
MCQ 49: Most of the sounds around world are
- artificial
- natural
- man made
- made electronically
MCQ 50: X-rays are only reflected by
- soft surfaces
- thick surfaces
- thin surfaces
- hard surfaces
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Grade 8 Science Mock Tests
Grade 7 Science Practice Tests
Grade 8 Science MCQ with Answers
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Sound Waves MCQ Book Questions
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- More the resistors to a circuit, the
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