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 Grade 7 Science Study [Free] App for ultrasound, musical instruments, speed of sound, sound waves and noise test prep for online elementary school classes.
The Quiz: 'Ultrasound' is a reflection of; "Sound Waves" App APK Download with answers: hard tissues only, soft tissues only, both soft and hard tissues, and 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