Question

state four application of ultrasound​

Answer 1

Answer:

Application of ultrasound are

1. Ultrasound is used to detect flaws in metal.

2.It is a useful way of

examining many of the body's internal organs.

3.It is used in SoNaR

technology.

Answer 2

Answer:

Previously it was shown that male mice, when they encounter female mice or their pheromones, emit ultrasonic vocalizations with frequencies ranging over 30–110 kHz. Here, we show that these vocalizations have the characteristics of song, consisting of several different syllable types, whose temporal sequencing includes the utterance of repeated phrases. Individual males produce songs with characteristic syllabic and temporal structure. This study provides a quantitative initial description of male mouse songs, and opens the possibility of studying song production and perception in an established genetic model organism.

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