Class 10 Online Courses

Class 10 physics Practice Tests

Class 10 Physics Online Tests

Echo of Sound Multiple Choice Questions (MCQ) PDF Download

The e-Book Echo of sound Multiple Choice Questions (MCQ Quiz) with Answers PDF Download (Echo of Sound MCQ PDF Book) to learn online 10th grade physics certificate courses. Solve Sound Multiple Choice Questions and Answers (MCQs), Echo of Sound quiz answers PDF for high school certification courses. The Echo of Sound MCQ App Download: Free learning app for ultrasound, sound and sound waves, reflection (echo), characteristics of sound test prep for online school and college.

The MCQ: To communicate with each other, Elephants use; "Echo of Sound" App Download (Free) with answers low frequency sound waves, low frequency light waves, high frequency sound waves and low frequency heat waves for high school certification courses. Solve sound quiz questions, download Google eBook (Free Sample) for online school courses.

Echo of Sound MCQs: Questions and Answers PDF Download

MCQ 1: To communicate with each other, Elephants use

A) low frequency sound waves
B) low frequency light waves
C) high frequency sound waves
D) 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

A) refraction of sound
B) deflection of sound
C) defraction of sound
D) 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

A) 30 m
B) 34 m
C) 40 m
D) 38 m

MCQ 4: For hearing distinct echoes, the minimum distance of the obstacle from the source of sound must be

A) double to this distance
B) equal to this distance
C) half of this distance
D) one third to this distance

MCQ 5: Echoes may be heard more than once due to successive or multiple reflections

A) deflections
B) defraction
C) refractions
D) reflections

Class 10 Physics Practice Tests

Echo of Sound Learning App & Free Study Apps

Download Echo of Sound MCQs App to learn 10th Grade Physics MCQs, A Level Physics MCQ App, and SAT Physics MCQ App with answers. The free "Echo of Sound MCQs" App (Android & iOS) includes complete analytics of history with interactive assessments. Download Play Store & App Store learning Apps & enjoy 100% functionality with subscriptions!

Echo of Sound App (Android & iOS)

Echo of Sound App (Android & iOS)

10th Grade Physics App (Android & iOS)

10th Grade Physics App (Android & iOS)

A Level Physics App (Android & iOS)

A Level Physics App (Android & iOS)

SAT Physics App (Android & iOS)

SAT Physics App (Android & iOS)