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How can sound waves be directed to specific areas?

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Important Questions on Acoustics

HARD
Science>Physics>Acoustics>Reflection of Sound
Which type of surface absorbs sound the most?
EASY
Science>Physics>Acoustics>Reflection of Sound
What is the speed of sound in air at room temperature?
EASY
Science>Physics>Acoustics>Reflection of Sound
In a longitudinal wave, what is the name given to the region where the particles are farthest apart?
HARD
Science>Physics>Acoustics>Reflection of Sound
What is the role of reflection of sound in SONAR?
HARD
Science>Physics>Acoustics>Reflection of Sound
Why do we not hear echoes in small rooms?
HARD
Science>Physics>Acoustics>Reflection of Sound
Show by an experiment that sound can be reflected like light.
MEDIUM
Science>Physics>Acoustics>Reflection of Sound
What happens to sound when it strikes a hard and smooth surface?
EASY
Science>Physics>Acoustics>Reflection of Sound
Explain why the ceilings of concert halls are curved.
HARD
Science>Physics>Acoustics>Reflection of Sound
How can echo formation be reduced in a room?
EASY
Science>Physics>Acoustics>Reflection of Sound
The sound waves are reflected from an obstacle into the same medium from which they were incident. Which of the following changes?
HARD
Science>Physics>Acoustics>Reflection of Sound
Which phenomenon makes it possible to hear sounds in a canyon?
EASY
Science>Physics>Acoustics>Reflection of Sound
Which principle explains the reflection of sound?
EASY
Science>Physics>Acoustics>Reflection of Sound
Why do we hold our palm in a curved fashion near our ear to catch distant sound ?
HARD
Science>Physics>Acoustics>Reflection of Sound
What is the effect of reverberation in an auditorium?
MEDIUM
Science>Physics>Acoustics>Reflection of Sound
What is mean by reflection of sound? Explain reflection at curved surfaces.
HARD
Science>Physics>Acoustics>Reflection of Sound
Which property of sound is essential for echo formation?
EASY
Science>Physics>Acoustics>Reflection of Sound
The sound waves are reflected from an obstacle into the same medium from which they were incident. Which of the following changes?
HARD
Science>Physics>Acoustics>Reflection of Sound
What is mean by reflection of sound? Explain reflection at the boundary of a denser medium.
EASY
Science>Physics>Acoustics>Reflection of Sound
A sound wave travels in the form of compression and rarefaction.
EASY
Science>Physics>Acoustics>Reflection of Sound
What is the reflection of sound called when it reaches the ear after 0.1 seconds?