Question

______10 Which of the following is the correct statement for surface wave?
A. Waves in which the displacement of the medium is in the same direction as, or the opposite direction to, the direction of propagation of the wave.
B. A moving wave whose oscillations are perpendicular to the direction of the wave or path of propagation.
C. A seismic wave that is trapped near the surface of the earth.
______11 It is a required medium to travel.
A. Transverse wave
B.Mechanical wave C. Longitudinal wave D. Electromagnetic wave
______12. It is the waves that are created as a result of vibrations between an electric field and a magnetic field.
A.Transverse wave
B.Mechanical wave C. Longitudinal wave D. Electromagnetic wave
______13. Which of the following units is used in frequency of a wave?
A. hertz
B. decibel
C. Newton
D. hour​

Answer 1

Answer:

1. C. A seismic wave that is trapped near the surface of the earth.

2. B.Mechanical wave

3. D. Electromagnetic wave

4. A. hertz

Explanation:

Answer 2

Answer:

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