Which of the following statements with reference to L-Wave or Long Wave generated by an earthquake is/are correct? 1.They follow the Earth's circumference 2.They travel at more or less at a constant rate Select the answer using the code given below:
1 only
2 only
Both 1 and 2
Neither 1 nor 2
L-Waves (Love and Rayleigh waves) are surface seismic waves generated by earthquakes: They travel along the Earth's surface, hence they follow the Earth's circumference. They travel at a constant speed (though slower than body waves like P and S waves), especially over homogeneous media.
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