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The Echo of sound Multiple Choice Questions (MCQ Quiz) with Answers PDF (Echo of Sound MCQ PDF e-Book) download to practice Grade 10 Physics Tests. Study Sound Multiple Choice Questions and Answers (MCQs), Echo of Sound quiz answers PDF for online certificate programs. The Echo of Sound MCQ App Download: Free learning app for ultrasound, sound and sound waves, reflection (echo), characteristics of sound test prep for distance learning classes.

The MCQ: When sound is incident on the surface of a medium it bounces back into the first medium. The phenomenon is called; "Echo of Sound" App Download (Free) with answers: Refraction of sound; Deflection of sound; Defraction of sound; Reflection of sound; for online certificate programs. Solve Sound Quiz Questions, download Apple eBook (Free Sample) for school certificate.

Echo of Sound MCQs: Questions and Answers

MCQ 1:

To communicate with each other, Elephants use

1. low frequency sound waves
2. low frequency light waves
3. high frequency sound waves
4. low frequency heat waves
MCQ 2:

When sound is incident on the surface of a medium it bounces back into the first medium. The phenomenon is called

1. refraction of sound
2. deflection of sound
3. defraction of sound
4. reflection of sound
MCQ 3:

The total distance covered by the sound from the point of generation to the reflecting surface and back should be at least

1. 30 m
2. 34 m
3. 40 m
4. 38 m
MCQ 4:

For hearing distinct echoes, the minimum distance of the obstacle from the source of sound must be

1. double to this distance
2. equal to this distance
3. half of this distance
4. one third to this distance
MCQ 5:

Echoes may be heard more than once due to successive or multiple reflections

1. deflections
2. defraction
3. refractions
4. reflections

Class 10 Physics Practice Tests

The App: Echo of Sound MCQs App to learn Echo of Sound Textbook, 10th Grade Physics MCQ App, and 9th Grade Physics MCQ App. The "Echo of Sound MCQs" App to free download iOS & Android Apps includes complete analytics with interactive assessments. Download App Store & Play Store learning Apps & enjoy 100% functionality with subscriptions!

Echo of Sound App (Android & iOS)

10th Grade Physics App (iOS & Android)

9th Grade Physics App (Android & iOS)

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