Question

2. What structures in the sitar help to produce higher or lower pitched sounds?
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Answer 1

Answer:

answer refers to attachment..

Answer 2

We prefer a convex mirror as a rear-view mirror in vehicles because it gives a wider field of view, which allows the driver to see most of the traffic behind him. Convex mirrors always form a virtual, erect, and diminished image of the objects placed in front of it.