Physics
Grade-7
Easy
Question
The lower portion of the graphical representation of the wave represents the ____.
- Compressions
- Rarefactions
- Troughs
- All the above
Hint:
Rerefactions
The correct answer is: Rarefactions
rarefactions are regions of low pressure due to particles being spread further apart.
Related Questions to study
Physics
The upper portion of the graphical representation of the wave represents the ____.
The upper portion of the graphical representation of the wave represents the ____.
PhysicsGrade-7
Physics
Rarefactions are the regions where the ____ is low.
Rarefactions are the regions where the ____ is low.
PhysicsGrade-7
Physics
Compressions are the regions where the ____ is high.
Compressions are the regions where the ____ is high.
PhysicsGrade-7
Physics
The pressure of a medium _____ when a longitudinal wave propagates through it.
The pressure of a medium _____ when a longitudinal wave propagates through it.
PhysicsGrade-7
Physics
The density of a medium ____ when a transverse wave propagates through it.
The density of a medium ____ when a transverse wave propagates through it.
PhysicsGrade-7
Physics
In the graphical representation of waves, the variation of density and pressure is plotted against _____.
In the graphical representation of waves, the variation of density and pressure is plotted against _____.
PhysicsGrade-7
Physics
In a transverse wave, the particles of the medium vibrate ____ to the direction of wave propagation.
In a transverse wave, the particles of the medium vibrate ____ to the direction of wave propagation.
PhysicsGrade-7
Physics
Match the following with the correct response.
1. A moving disturbance | A. Mechanical waves |
2. Propagation require material medium | B. Oscillatory motion |
3. Particles vibrate perpendicular to the | C. Transverse waves direction of wave propagation |
4. Back and forth motion | D. Wave |
Match the following with the correct response.
1. A moving disturbance | A. Mechanical waves |
2. Propagation require material medium | B. Oscillatory motion |
3. Particles vibrate perpendicular to the | C. Transverse waves direction of wave propagation |
4. Back and forth motion | D. Wave |
PhysicsGrade-7
Physics
Light waves are _____ but not _____ in nature.
Light waves are _____ but not _____ in nature.
PhysicsGrade-7
Physics
The sound can travel in the air when:
The sound can travel in the air when:
PhysicsGrade-7
Physics
In which of the following media can non-mechanical waves travel?
In which of the following media can non-mechanical waves travel?
PhysicsGrade-7
Physics
Mechanical transverse waves cannot travel through:
Mechanical transverse waves cannot travel through:
PhysicsGrade-7
Physics
While we throw a ball in the direction of waves, the waves transfer _____ to the ball:
While we throw a ball in the direction of waves, the waves transfer _____ to the ball:
PhysicsGrade-7
Physics
Why are sound waves considered mechanical waves?
Why are sound waves considered mechanical waves?
PhysicsGrade-7
Physics
“Wave motion shifts mass from one region to another” The above statement is:
Wave motion shifts energy from one place to another.
“Wave motion shifts mass from one region to another” The above statement is:
PhysicsGrade-7
Wave motion shifts energy from one place to another.