Physics
Grade-7
Easy
Question
The frequency of a wave whose time period is 0.02s is ___ Hz.
- 100
- 50
- 200
- 0.2
Hint:
50
The correct answer is: 50
frequency=1/timd period
=1/0.02
=50 Hz
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The lower portion of the graphical representation of the wave represents the ____.
![](data:image/png;base64,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)
The lower portion of the graphical representation of the wave represents the ____.
![](data:image/png;base64,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)
PhysicsGrade-7
Physics
The upper portion of the graphical representation of the wave represents the ____.
![](data:image/png;base64,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)
The upper portion of the graphical representation of the wave represents the ____.
![](data:image/png;base64,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)
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