Question

નાયિકાને ચંદ્ર સૂરજ થયેલો કેમ લાગે છે​

Answer 1

Answer:

The speed of sound is the distance travelled per unit of time by a sound wave as it propagates through an elastic medium. At 20 °C, the speed of sound in air is about 343 metres per second, or a kilometre in 2.9 s or a mile in 4.7 s. Wikipedia

Particle velocity: v, SVL

Sound pressure: p, SPL,LPA

Audio frequency: AF

Acoustic impedance: Z

Transmission loss: TL

Characteristic: Symbols

Particle displacement: δ

Explanation:

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sorry i can,t understand it...