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Kriti
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Asked: 2026-10-14T05:54:06+00:00 In:

Graphs representing two sound waves are given in Fig. 10.30. If the scales on the X and Y axes of the two graphs are the same, which of the two sound waves has (i) greater wavelength and (ii) smaller amplitude?

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Wave (a) has the greater wavelength because its consecutive crests are spaced farther apart along the distance axis and it also possesses the smaller amplitude due to lower vertical crest height.

Class 9 Science Exploration Chapter 10 Important Questions from Sound Waves
SQP from Class 9 Science Chapter 10 Sound Waves Characteristics and Applications

class 9 science exploration chapter 10 sqp from tiwari academyhalf yearly exam questions – sound waves: characteristics and applicationsif the scales on the x and y axes of the two graphs are the samesample question from class 10 science sound waves chapter 10sound waves has (i) greater wavelength and (ii) smaller amplitudetwo sound waves are given in fig. 10.30
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    1. (i) Greater wavelength: Wave (a) has the greater wavelength because the horizontal distance between two consecutive crests or troughs is visibly larger than in wave (b). (ii) Smaller amplitude: Wave (a) has the smaller amplitude because its maximum vertical displacement of density from the average density line is noticeably less than the height of the crests in wave (b).

       

      For more NCERT Solutions of Class 9 Science Exploration Chapter 10 Sound Waves Characteristics and Applications Question Answer (2026-27)

      https://www.tiwariacademy.com/ncert-solutions/class-9/science/exploration-chapter-10/

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