Physics: Vibrations And Waves
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Physics: Vibrations And Waves
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21 Questions

1. While passing over a suspension bridge, soldiers are not allowed to march in steps. This is
2. While passing over a suspension bridge, soldiers are not allowed to march in steps. This is
3. When two coherent waves interfere, there is
4. A man standing at the finish line is recording the time of a race competition by means of a stop watch. He must start the watch when
5. Electromagnetic radiation is emitted by
6. The X-ray beam coming from an X-ray tube will be
7. The frequency of vibration of a stretched string is ______ its length.
8. Energy is not carried by
9. If the length of a pendulum is doubled, its frequency of oscillation is changed by a factor of
10. The fundamental characteristic of all waves are
11. Velocity-time graph of a particle executing SHM is shown in figure. Select the correct alternative.
12. A veena player compares with a tuning fork the fundamental frequency generated by one of the strings of the veena and hears 4 beats per second. He then tightens the string a bit and hears only 3 beats per second. Then
13. Of the following properties of a wave, the one that is independent of the other is its
14. Of the following properties of a wave, the one that is independent of the other is its
15. The nature of light waves is similar to
16. An instrument has two strings. Both have the same length and are uniform. One of the strings is under twice as much tension as the other and also twice the mass of the other. Then which of the following statements is true?
17. A resonant system has a fundamental frequency of 100 Hz. If the next higher frequency that gives a resonance are 300 Hz and 500 Hz, the system could be
18. When two coherent waves interfere, there is
19. A string stretched between two fixed points has a fundamental frequency of 100 Hz. The frequency of the mode of vibration depicted in the figure is
20. The X-ray beam coming from an X-ray tube will be
21. A substance emits energy which is detected as a line emission in the visible region using a spectroscope. The origin of this energy is

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