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11

In a resonance tube experiment, which is illustrated above, the velocity of sound in air is 327.68m/s, the frequency of the turning fork used is therefore?

  • A. 128HZ
  • B. 256HZ
  • C. 512HZ
  • D. 768HZ
  • E. 1024HZ
View Answer & Discuss (6) JAMB 1979
12

Which is a stringed Instrument?

  • A. drum
  • B. flute
  • C. piano
  • D. saxophone
  • E. trumpet
View Answer & Discuss (5) NECO 2001
13

Which of the following characteristics of waves can a ripple tank be used to demonstrate?
I. Reflection
II. Refraction
III. Diffraction
 

  • A. I, II and Ill
  • B. ll and ll only
  • C. l and lII only
  • D. I and II only 
View Answer & Discuss (2) WAEC 2019
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14

 

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In the diagram above, the time taken to trace a wave between P and Q is?

  • A. 2 periods
  • B. 1 period
  • C. 1\(\frac{1}{2}\) periods
  • D. 1\(\frac{1}{4}\) periods
View Answer & Discuss (13) WAEC 2019
15

The equation of a wave traveling along the positive x-direction is given by; y = 0.25 x 10\(^{-3}\) sin (500t - 0.025x). Determine the angular velocity of the wave motion. 

  • A. 0.25 x 10\(^{-3}\)rads\(^{-1}\)
  • B. 0.25 x 10\(^{-1}\)rads\(^{-1}\)
  • C. 5.00 x 10\(^{2}\)rads\(^{-1}\)
  • D. 2.50 x 10\(^{3}\)rads\(^{-1}\)
View Answer & Discuss JAMB 2021
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