Physics
Grade-7
Easy
Question
Which of the following diagrams shows one complete oscillation inside the red box?
- All the above
Hint:
All the above
The correct answer is: All the above
as they move to and fro from its original position and moves in the similar direction as its original motion.
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The propagation of waves can be graphically represented by plotting _____ against _____.
The propagation of waves can be graphically represented by plotting _____ against _____.
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A peak is called a ____ and a valley is called a ____ of a wave.
A peak is called a ____ and a valley is called a ____ of a wave.
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What does the length of the red line represent in the picture of the wave shown below?
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The time period of the wave whose frequency is 0.2 Hz is ____s.
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The frequency of a wave whose time period is 0.02s is ___ Hz.
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The lower portion of the graphical representation of the wave represents the ____.
The lower portion of the graphical representation of the wave represents the ____.
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The upper portion of the graphical representation of the wave represents the ____.
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The density of a medium ____ when a transverse wave propagates through it.
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In the graphical representation of waves, the variation of density and pressure is plotted against _____.
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In a transverse wave, the particles of the medium vibrate ____ to the direction of wave propagation.
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Match the following with the correct response.
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| 2. Propagation require material medium | B. Oscillatory motion |
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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 |
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