What is the main conclusion of studying Sound Waves in Class 9 Science?

Type: MCQ • Marks: 1

A. Sound is a longitudinal mechanical wave characterized by frequency, wavelength, speed, reflection, and diverse applications

B. Sound is light

C. Sound travels in vacuum

D. Sound has no speed

Explanation

The chapter covers acoustic wave mechanics, human hearing, echo phenomena, and ultrasonic applications.

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Class 9th Science (MCQ)

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