Question

staircase in a hall are covered with carpet to reduce what kind of effect
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Answer 1

Answer:

friction

Explanation:

since the staircase does not allow much friction in order to increase this carpet to reduce falling down the stairs

Answer 2

Answer:

Staircases are covered with carpets to reduce the production of echo.

Explanation:

By absorbing echoes and muffled noise, carpets and rugs deaden sound reflection in a room.

An echo is a reflection of sound that comes to the listener with a delay after the direct sound in audio signal processing and acoustics.

The delay is exactly proportional to the separation between the source and the listener of the reflecting surface.