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You can hear a teacher through a closed door of a classroom because the sound waves diffract or bend around corners. (Sound waves don't always travel in a straight line) Answered by: Nur _ _ _ _ _ _ Izyani
A closed door constitutes a physical barrier to the movement of air; an open door permits the movement of air.
slam
Click of the lock, swoosh or creak of the door being opened.
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You can hear it because of driffraction. The sound waves diffract through the openings.
a phone ring can be heard across a shut door because there is always some space through the door from where the sound travels and reaches to our ears.
The cast of Behind a Closed Door - 2012 includes: Danil Leshukov Olga Pyatishkina as Mom
When the door closed behind me, I realized that I had dropped my keys; I turned around to see them through the glass on the floor behind the locked door.
Snoring can be heard outdmside the bedroom with the door closed
When said quickly, "polish it behind the door" sounds like "polish it behind the door." It may sound a bit funny due to the repetition and the rapid pace at which it is spoken.
Sound is not audibly louder in a room with the door open or closed. If I had a volume meter I might be able to measure the sound being slightly louder with it closed because the sound would reflect off a closed door but leave through an open one, but you'll never hear it. I determined this experimentally. First I closed the door to the room and played some Iron Maiden with my speakers turned up halfway. Then I opened the door to the room and played the same song at the same volume setting. It didn't get any quieter in there. The real effect, of course, is OUTSIDE the room. If I open the door and play Maiden, the neighbors hear it better than if I keep it closed and play them.
behind a closed door and drawn curtains
Well,it is easy.You need to roll until you heard the "pluck" and stop at the number where the pluck sound heard. After you heard the pluck sound,you need to roll it in another way and then you will heard the pluck sound again,then repeat it to the 3rd lock.Some heavy door contain hard 3rd lock,you need to hear the pluck sound carefully for the 3rd lock(for some heavy door)
Well,it is easy.You need to roll until you heard the "pluck" and stop at the number where the pluck sound heard. After you heard the pluck sound,you need to roll it in another way and then you will heard the pluck sound again,then repeat it to the 3rd lock.Some heavy door contain hard 3rd lock,you need to hear the pluck sound carefully for the 3rd lock(for some heavy door)Read more: How_do_you_open_a_heavy_door_sift_heads_world_act_5
You can hear a teacher through a closed door of a classroom because the sound waves diffract or bend around corners. (Sound waves don't always travel in a straight line) Answered by: Nur _ _ _ _ _ _ Izyani