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In the examples given below, state if the wave motion is transverse, longitudinal or a combination of both?

Monjur Alahi

In the examples given below, state if the wave motion is transverse, longitudinal or a combination of both?

1. Light waves travelling from Sun to Earth. 

2. ultrasonic waves in air produced by a vibrating quartz crystal. 

3. Waves produced by a motor boat sailing in water.


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Salim Ahmed Kawsar

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1. Light waves (from Sun to Earth) are electromagnetic waves which are transverse in nature.

2. Ultrasonic waves in air are basically sound waves of frequency greater than the audible frequencies. Therefore, these waves are longitudinal.

3. The water surface is cut laterally and pushed backwards by the propeller of motor boat. Therefore, the waves produced are a mixture of longitudinal and transverse waves.

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