Physics
Grade-8
Easy
Question
The object which produces sound _____.
- Rotates
- Vibrates
- Revolves
- Swings
Hint:
The sound is produced by the vibration of objects which is propagated through a medium from one location to another.
The correct answer is: Vibrates
The object which produces sound vibrates.
- The sound is mechanical energy caused by a heavy force.
- The object that produces sound vibrates.
- The vibration travels through the medium to produce the sound.
Related Questions to study
Physics
_____ energy converts to sound energy in humans, animals, and birds.
_____ energy converts to sound energy in humans, animals, and birds.
PhysicsGrade-8
Physics
The organ that is responsible for the voice of humans is _____.
The organ that is responsible for the voice of humans is _____.
PhysicsGrade-8
Physics
Sound is a form of ____.
Sound is a form of ____.
PhysicsGrade-8
Physics
Pick the wrong statement about echo.
Pick the wrong statement about echo.
PhysicsGrade-8
Physics
Cinema theatres are designed for sound _______.
Cinema theatres are designed for sound _______.
PhysicsGrade-8
Physics
To make sound louder, sound should be _______.
- Echo and reverberation are based on the reflections of sound.
To make sound louder, sound should be _______.
PhysicsGrade-8
- Echo and reverberation are based on the reflections of sound.
Physics
Horn from vehicle is the source of ___________ .
Horn from vehicle is the source of ___________ .
PhysicsGrade-8
Physics
Sonar has a receiver called __________
- Seismographs are instruments used to record the motion of the ground during an earthquake.
Sonar has a receiver called __________
PhysicsGrade-8
- Seismographs are instruments used to record the motion of the ground during an earthquake.
Physics
If the sound travelled a distance of 12 m in 2 s. Find the velocity of sound in echo.
If the sound travelled a distance of 12 m in 2 s. Find the velocity of sound in echo.
PhysicsGrade-8
Physics
Drums can produce ultrasound.
Drums can produce ultrasound.
PhysicsGrade-8
Physics
The units of time:
1 Bar = 105 Pascal
The units of time:
PhysicsGrade-8
1 Bar = 105 Pascal
Physics
Reverberation occurs only in ________.
Reverberation occurs only in ________.
PhysicsGrade-8
Physics
The louder unpleasant sound is called as ______.
The louder unpleasant sound is called as ______.
PhysicsGrade-8
Physics
SONAR is used in _______.
- It works on the principle of reflection of ultrasound waves.
SONAR is used in _______.
PhysicsGrade-8
- It works on the principle of reflection of ultrasound waves.
Physics
The sound from the transmitter of the SONAR is reflected by.
The sound from the transmitter of the SONAR is reflected by.
PhysicsGrade-8
