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SL ARORA-Waves-EXERCISE
- A set of 25 tuning forks is arranged in order of decreasing frequency....
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- The string of violin emits a note of 440 Hz at its correct tension. T...
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- A tuning fork when vibrating along with a sonometer produces 6 beats p...
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- A 70 cm long sonometer wire is in unison with a tuning fork. If the le...
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- When two timing forks are sounded together, 4 beats per second are hea...
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- In an experiment, it was found that a tuning fork and sonometer wire g...
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- A and B are two wires whose fundamental frequencies are 256 and 382 Hz...
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- In an experiment, it was found that a tuning fork and sonometer wire g...
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- A tuning fork of frequency 300Hzresonates with an air column closed at...
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- A policeman blows a whistle with a frequency of 500 Hz.A car approache...
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- Calculate the apparent frequency of the horn of a car approaching a st...
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- A man standing near a railway line hears the whistle of an engine, whi...
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- Two engines pass each other in opposite directions with a velocity of ...
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- A train approaches stationary observer, the velocity of train being 1/...
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- When a source moves away from a stationary observer, the frequency is ...
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- A motor car is approaching towards a crossing with a velocity of 75 km...
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- Two cars are approaching each other on a straight road and moving with...
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- A source emitting sound of frequency 1000 Hz is moving towards an obse...
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- A policeman on duty detects a drop detects a drop of 15% in the pitch...
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- The whistle of an engine moving at 30km//h is heard by a motorist driv...
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