Question

rked with specific frequencies like 256 Hz. 512 Hz,
1. As the time period of a Wave increases, its frequency decreases.
The sound from a violin having thin and tight string is shrill.​

Answer 1

Answer:

Friction is the force resisting the relative motion of solid surfaces, fluid layers, and material elements sliding against each other. There are several types of friction: Dry friction is a force that opposes the relative lateral motion of two solid surfaces in contact