Class 10 Physics Certification MCQs – Practice Test 3 (Chapter 9)

Sound Quiz with Answers PDF Download – Test 3

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The MCQ: Echoes maybe heard more than once due to; "Sound Quiz" App (iOS, Android) with answers: single time reflection, multiple reflections, refraction, and diffraction of waves to learn distance learning courses. Study Reflection (Echo) MCQ Questions, download Google Book (Free Chapter) for online school classes.

Sound Quiz – Practice Test 3 PDF Download

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

Class 10 Physics Quiz App & e-Book – Sound Certification Guide

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