Longitudinal Waves and Wavelength – Rankers Physics
Topic: Waves
Subtopic: Standing Wave in String and Organ Pipe

Longitudinal Waves and Wavelength

Assertion (A): In longitudinal wave propagation the distance between two consecutive compression is equal to wavelength of wave.
Reason (R): Standing wave is not a wave as it does not transport energy.
 
Both (A) & (R) are true and the (R) is the correct explanation of the (A)
Both (A) & (R) are true but the (R) is not the correct explanation of the (A)
(A) is true but (R) is false
Both (A) and (R) are false

Solution:

Assertion (A) is true by definition. Wavelength (\(lambda\)) in a longitudinal wave is the distance between two consecutive compressions or rarefactions. Reason (R) is false; a standing wave is a form of wave resulting from the superposition of two progressive waves. While it does not transfer net energy, it still represents a wave phenomenon with energy oscillation within its segments.

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