Which statement is true for a sound wave entering an area of warmer air? the wave travels faster and with the same wavelength. the wave travels at the same speed but with an increased wavelength. the wave travels at the same speed and with the same wavelength. the wave travels slower and with an increased wavelength. the wave travels faster and with an increased wavelength.

Explanation:

Sound wave depends on the temperature of of the surrounding. When the temperature is high, the molecules will have higher energy and they vibrates faster. When the molecules vibrates faster, sound will travel more quickly.

Other factors on which sound wave depend are density of medium, humidity, air pressure etc.

Hence, the correct option is (a) :"The wave travels faster and with the same wavelength".

f=ma newton

f=100x2.5=250n

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