Laws of reflection of Sound

SOUND

Aim:

To verify the laws of reflection of sound.

Apparatus required:

Stop clock, two identical pipes made of card board or chart paper, card board, etc.,

Procedure:

Arrange two identical cardboard pipes on a table near a wall. Keep an alarm clock near the open end of the pipes. Try to hear the sound of alarm clock through the other pipes as shown in figure.

Adjust the angle of pipes, so that you get maximum sound. Repeat the experiment with different angle of incidences. Find out the angle of reflection and tabulate it. From the table you can realize that the angle of incidence is equal to angle of reflection.

Observation:

Result:

From the above observation and table the laws of reflection of sound is verified.