Question 22
Imagine that you are listening to a radio that is placed in the middle of a room. Now imagine that you move the radio into a corner of the room.
Using the procedure on pages 127–128 as a guide, carry out an experiment to test your hypothesis. Did your results prove or disprove your hypothesis?
Procedure: In the classroom investigation, stand at the front of the room and stay in the same listening position. Your teacher plays a pre-selected music track on a mobile phone or music player with a speaker, first in the centre of the room at a middle volume, then in a corner using the same track and volume setting. Listen to sound quality, clarity and volume.
Using the procedure on pages 127–128 as a guide, carry out an experiment to test your hypothesis. Did your results prove or disprove your hypothesis?
Procedure: In the classroom investigation, stand at the front of the room and stay in the same listening position. Your teacher plays a pre-selected music track on a mobile phone or music player with a speaker, first in the centre of the room at a middle volume, then in a corner using the same track and volume setting. Listen to sound quality, clarity and volume.
