NAEST 2020 Waves in a Glass: Waves are generated on the surf

Question: NAEST 2020 Waves in a Glass: Waves are generated on the surface which are

In the video, a small portion of the surface of a table is rubbed by a finger. Waves are generated on the surface which are

1. longitudinal everywhere
2. transverse everywhere
3. longitudinal nowhere
4. transverse nowhere
5. longitudinal at some places
6. transverse at some places

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