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CP SINGH-SOUND WAVES-Exercises
- The same notes being played on sitar and veena differ in
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- When we hear a sound, we can identify its source from
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- In an orchestra, the musical sounds of different instruments are disti...
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- When sound wave is refracted from air to water, which of the following...
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- A sound wave travelling with a velocity V in a medium A reaches a poin...
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- A sound wave travels from air to water. The angle of incidence is alph...
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- A thin plane membrane separates hydrogen at 7^(@) C from hydrogen at 4...
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- The minimum distance to hear echo (speed of sound in air is 340 m//s)
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- A engine is approaching a hill at constant speed. When it is at a dist...
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- A man stands between two parallel cliffs (not in middle). When he clap...
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- In a hall, a person receives direct sound waves from a source 120 m aw...
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- Two loudspeakers L1 and L2 driven by a common oscillator and amplifier...
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- Vibrating tuning fork of frequency n is placed near the open end of a ...
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- Two sources of sound are placed along the diameter of a circle of radi...
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- Beats occur because of
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- The phenomenon of beats can take place
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- When beats are produced by two progressive waves of nearly the same fr...
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- Two tuning forks of frequencies 256 Hz and 258 Hz are sounded together...
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- Two sources of sound placed close to each other are wmitting progressi...
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- Maximum number of beats frequency heard by a human being is
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