Waves 2

1. Why is diffraction of light waves not a common phenomenon?

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2. Which property in a stationary vibrating wave does this formula represent? (Lambda/4)

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3. Some points in a stationary wave where the wave has a maximum amplitude is called?

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4. Which of the following is not a condition for formation of stationary waves?

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5. Explain how a stationary wave is formed?

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6. Which property of a sound wave helps you to hear a sound round a corner or in another room even without seeing the source?

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7. What is an interference of waves?

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8. Which of the following is among the properties of a travelling wave?

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9. Define constructive interference?

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10. Mention what occurs when waves move from one medium to another?

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11. Mention the properties of stationary wave

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12. Which property in a stationary vibrating wave does this formula represent? (Lambda/2)

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13. Which of the following is a CORRECT statement about a water wave which has been reflected (reflection properties of waves)?

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14. Explain what type of diffraction will take place when a sound wave passes through a small aperture/hole which is almost equal to its wavelength.

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15. What is the name given to a note whose frequency is a whole number times the fundamental frequency?

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16. Which of the following statements is CORRECT about a water wave travelling from a deep region to shallow region?

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17. Explain how a sound wave undergoes refraction during the night?

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18. Which of the following differentiates a stationary wave from a progressive wave?

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19. What is the name of the note which accompanies the fundamental note but are smaller in amplitude and of higher frequencies?

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20. Some points in a stationary wave where the wave is always at rest is called?

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21. Explain what type of diffraction which will take place when a sound wave passes through a wider aperture/ hole/ orifice?

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22. The first, second and third higher frequencies above the fundamental note are called?

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23. Which property of wave which describes it as travelling in a straight line and perpendicular to the wave front?

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24. Mention the 2 types of interference

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25. The distance between successive nodes or antinodes is (Lambda/2). The distance between a node and the next antinode is (Lambda/4).

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26. Explain how a sound wave undergoes refraction during the day?

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27. What is the name of the lowest frequency that can be obtained when a musical instrument is played and forms the fundamental note?

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28. Define destructive interference?

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