Waves questions
1337 published questions with worked solutions.
- Two sources of sound placed close to each other, are emitting progressive waves given by y_1 = 4 600 t and y_2 = 5 608 t. An...
- A wave travelling in the +ve x-direction having displacement along y-direction as 1 m, wavelength 2 m and frequency of 1 Hz is...
- If we study the vibration of a pipe open at both ends, then the following statement is not true -
- A source of unknown frequency gives 4 beats/s, when sounded with a source of known frequency 250 Hz. The second harmonic of the...
- If n_1, n_2 and n_3 are the fundamental frequencies of three segments into which a string is divided, then the original...
- The number of possible natural oscillations of air column in a pipe closed at one end of length 85 cm whose frequencies lie below...
- A speeding motorcyclist sees traffic jam ahead of him. He slows down to 36 km/hour. He finds that traffic has eased and a car...
- The fundamental frequency of a closed organ pipe of length 20 cm is equal to the second overtone of an organ pipe open at both...
- A siren emitting a sound of frequency 800 Hz moves away from an observer towards a cliff at a speed of 15 m s ^ -1 . Then, the...
- A uniform rope of length L and mass m_1, hangs vertically from a rigid support. A block of mass m_2 is attached to the free end...
- An air column, closed at one end and open at the other, resonates with a tuning fork when the smallest length of the column is 50...
- Two cars moving in opposite directions approach each other with speed of 22 m/s and 16.5 m/s respectively. The driver of the...
- The two nearest harmonics of a tube closed at one end and open at other end are 220 Hz and 260 Hz. What is the fundamental...
- The fundamental frequency in an open organ pipe is equal to the third harmonic of a closed organ pipe. If the length of the...
- A tuning fork is used to produce resonance in a glass tube. The length of the air column in this tube can be adjusted by a...
- In a vibrating string with fixed ends the waves are of type
- A driver of a car travelling with a speed 'V_1' m/s towards a wall sounds siren of frequency 'n' Hz. If the velocity of sound in...
- A stretched string is fixed at both ends. It is made to vibrate so that the total number of nodes formed in it is 'x'. The length...
- A wire under tension 225 N produces 6 beats per second when it is tuned with a fork. When the tension changes to 256 N, it is...
- Velocity of sound waves in air is 330 m/s. For a particular sound wave in air, path difference of 40 cm is equivalent to phase...
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