Waves questions
1337 published questions with worked solutions.
- A pipe 60 cm long and open at both the ends produces harmonics. Which harmonic mode of pipe resonates a 2 2 KHz source ? (Speed...
- A source and listener are both moving towards each other with speed v 10 (where V is speed of sound) If the frequency of sound...
- A string is under tension of 180 N and mass per unit length 2 10^ -3 kg/m . It produces two consecutive resonant frequencies with...
- How many times more intense is a 60 dB sound than a 30 dB sound?
- Two sound waves each of wavelength ' ' and having the same amplitude 'A' from two 'S_1' and 'S_2' interference at a point P. if...
- In a pipe closed at one end, air column is vibrating in the fourth overtone so the vibrating air column has 'x' nodes and 'y'...
- The beats are produced when there is a superposition of two sound waves which will have
- In case of stationary wave pattern, which of the following statement is CORRECT?
- A and B are two wires whose fundamental frequencies are 256 Hz and 382 Hz respectively. When third harmonic of A and the second...
- The fundamental frequency 'n' of the tuning fork is 288 Hz, it will not resonate with the frequency
- In an organ pipe closed at one end produces a fundamental note of frequency ' '. The pipe is cut into two pipes of equal length....
- The number of waves counted by an observer on the sea-coast in one minute is 54. If the wavelength of the waves is 5m then the...
- The lengths of the two pipes open at both ends are L and (L + L_1). If they are sounded together, the beat frequency will be (v =...
- Two sources of sound are emitting progressive waves y_1 = 4 708 t and y_2 = 3 700 t. The sources are placed close to each other...
- When two tuning forks are sounded together, 6 beats per second are heard. One of the fork is in unison with 0.70 m length of...
- In an organ pipe closed at one end, the sum of the frequencies of first three overtones is 3930 Hz. The frequency of the...
- When source of sound moves towards a stationary observer, the apparent frequency heard by him
- A string of mass 0.1 kgm^ -1 has length 0.9 m. It is fixed at both ends and stretched such that it has a tension of 40 N. The...
- The fundamental frequency of a closed pipe of length L is equal to the second overtone of a pipe at both the ends of length (XL)....
- A body sends a wave 150 mm long through medium P and 0.30 m long in medium Q. If velocity of the wave in medium P is 80 cm s^ -1...
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