Q. In a longitudinal wave, regions of high pressure are called __________.

अनुदैर्ध्य तरंग में, उच्च दबाव वाले क्षेत्रों को __________ कहा जाता है।

A
Crests
चढाई
B
Troughs
गर्त
C
Compressions
संपीड़न
D
Rarefactions
विरलन

Explanation

In a longitudinal wave, such as a sound wave, particles oscillate parallel to the direction of the wave.


Compressions are regions where particles are closely packed, creating high pressure.

Opposite regions (low pressure) are called rarefactions.

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