Class 7 Science MCQs - Chapter 23
Sound Waves Trivia Questions & Answers PDF Download - 4
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The Sound waves Trivia Questions and Answers PDF (sound waves Quiz Answers PDF e-Book) download Ch. 23-4 to study Grade 7 Science Course. Practice Ultrasound MCQ PDF, Sound Waves Quiz Questions and Answers to study online homeschool courses. The Sound Waves Trivia App Download: Free certification app for ultrasound, musical instruments, speed of sound, sound waves and noise test prep for online elementary school classes.
The Trivia MCQ: 'Ultrasound' is a reflection of; "Sound Waves" App APK Download with answers: Hard tissues only; Soft tissues only; Both soft and hard tissues; Hard muscles only; to study online homeschool courses. Practice Ultrasound MCQ Questions, download Kindle eBook (Free Sample) for online education.
Sound Waves Test Questions and Answers PDF Download: MCQ 4
'Ultrasound' is a reflection of
- soft tissues only
- hard tissues only
- both soft and hard tissues
- hard muscles only
Three main types of musical instruments are
- guitar, violin and piano
- drum, guitar and piano
- stringed instrument, wind instrument and percussion instrument
- stringed instrument, wind instrument and beat n bass instrument
Sound loses more energy in
- air
- vacuum
- liquid
- solid
The note also depends on
- diameter of the drum
- thickness of string
- tension of string
- distance of wind holes
The level of sound of normal conversation is
- 10 dB
- 20 dB
- 50 dB
- 60 dB
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Sound Waves MCQ Book Questions
- Name of physicist who discovered nucleus of atom was
- Sodium ion has
- As compare to air, sound travels faster in
- A force which occurs when two surfaces come in contact and slows down motion while acting in
- Formula that shows number and kind of atoms which a substance of a molecule contained, is known as