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HC VERMA-SOUND WAVES-Exercises
- A 30.0-cm-long wire having a mass of 10.0 g is fixed at the two ends a...
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- Show that if the room temperature changes by a small amount from T to ...
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- The fundamental frequency of a closed pipe is 293 Hz when the air in i...
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- A Kundt's tube apparatus has a copper rod of length 1.0 m clamped at 2...
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- A Kundt's tube apparatus has a steel rod of length 1.0 m 66. clamped a...
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- A source of sound with adjustable frequency produces 2. beats per seco...
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- A tuning fork produces 4 beats per second with another 68. tuning fork...
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- Calculate the frequency of beats produced in air when two sources of s...
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- A tuning fork of unknown frequency makes 5 beats per second with anoth...
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- A piano wire A vibrates at a fundamental frequency of 600 Hz. A second...
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- A tunnig fork of frequency 256 Hz produces 4 beats per second with a ...
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- A traffic policeman standing on a road sounds a whistle emitting the m...
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- The horn of a car emits sound with a dominant frequency of 2400 Hz. Wh...
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- A person riding a car moving at 72 km h^-1 sounds a whistle emitting a...
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- A train approaching a platform at a speed of 54 km h^-1 sounds a whist...
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- A bat emitting an ultrasonic wave of frequecy 4.5 xx 10^4 Hz flies at...
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- A bullet passes past a person at a speed of 220 m s^-1. Find the fract...
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- Two electric trains run at the same speed of 72 km h^-1 along the same...
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- A violin player riding on a slow train plays a 440 Hz note. Another vi...
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- Two identical tuning forks vibrating at the same frequency 256 Hz are ...
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