Class 10 Physics MCQs - Chapter 9

Sound Quiz Questions & Answers PDF Download - 3

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The Sound Quiz Questions and Answers PDF (sound Quiz PDF e-Book) download Ch. 9-3 to learn Grade 10 Physics Course. Solve Reflection (Echo) MCQs PDF, Sound Quiz Questions and Answers to learn distance learning courses. The Sound Quiz App Download: Free learning app for reflection (echo), ultrasound, audible range of human ear, physics: sound waves, characteristics of sound test prep for free online classes.

The Quiz: Echoes maybe heard more than once due to; "Sound" App (iOS, Android) with answers: Single time reflection; Multiple reflections; Refraction; Diffraction of waves; to learn distance learning courses. Study Reflection (Echo) MCQ Questions, download Amazon eBook (Free Sample) for online school classes.

Sound Exam Questions and Answers PDF Download: Test 3

MCQ 11:

Echoes maybe heard more than once due to

multiple reflections
single time reflection
refraction
diffraction of waves

MCQ 12:

SONAR is the abbreviation of

small navigation and random
sky navigation and ranging
sun nuclear ranging
sound navigation and ranging

MCQ 13:

Old people can not hear sounds even above

5,000 Hz
15,000 Hz
10,000 Hz
8,000 Hz

MCQ 14:

Sound waves are

Longitudinal
Transverse
Electromagnetic
Only magnetic

MCQ 15:

The intensity level of the rustling of leaves is

25 dB
0 dB
10 dB
100 dB

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