The tension of a stretched string is increased by 69%. In order to keep its frequency of vibration constant, its length must be increased by
The length of a sonometer wire tuned to a frequency of 250 Hz is 0.60 metre. The frequency of tuning fork with which the vibrating wire will be in tune when the length is made 0.40 metre is
Length of a string tied to two rigid supports is 40 cm. Maximum length (wavelength in cm) of a stationary wave produced on it is
A string in musical instrument is 50 cm long and its fundamental frequency is 800 Hz. If a frequency of 1000 Hz is to be produced, then required length of string is
Two wires are in unison. If the tension in one of the wires is increased by 2%, 5 beats are produced per second. The initial frequency of each wire is
A tube closed at one end and containing air is excited. It produces the fundamental note of frequency 512 Hz. If the same tube is open at both the ends the fundamental frequency that can be produced is
A closed pipe and an open pipe have their first overtones identical in frequency. Their lengths are in the ratio
The first overtone in a closed pipe has a frequency
An empty vessel is partially filled with water, then the frequency of vibration of air column in the vessel
An air column in a pipe, which is closed at one end, will be in resonance with a vibrating body of frequency 166 Hz, if the length of the air column is
If the velocity of sound in air is 350 m/s. Then the fundamental frequency of an open organ pipe of length 50 cm, will be
The fundamental note produced by a closed organ pipe is of frequency The fundamental note produced by an open organ pipe of same length will be of frequency
If the velocity of sound in air is 336 m/s. The maximum length of a closed pipe that would produce a just audible sound will be
A resonance air column of length 20 cm resonates with a tuning fork of frequency 250 Hz. The speed of sound in air is
If the length of a closed organ pipe is 1.5 m and velocity of sound is 330 m/s, then the frequency for the second note is
A pipe 30 cm long is open at both ends. Which harmonic mode of the pipe is resonantly excited by a 1.1 kHz source ? (Take speed of sound in air = 330 ms–1)
Two closed organ pipes, when sounded simultaneously gave 4 beats per sec. If longer pipe has a length of 1m. Then length of shorter pipe will be, (v = 300 m/s)
Two closed pipe produce 10 beats per second when emitting their fundamental nodes. If their length are in ratio of 25 : 26. Then their fundamental frequency in Hz, are
A closed organ pipe and an open organ pipe are tuned to the same fundamental frequency. What is the ratio of lengths
An open pipe resonates with a tuning fork of frequency 500 Hz. it is observed that two successive nodes are formed at distances 16 and 46 cm from the open end. The speed of sound in air in the pipe is
Find the fundamental frequency of a closed pipe, if the length of the air column is 42 m. (speed of sound in air = 332 m/sec)
If v is the speed of sound in air then the shortest length of the closed pipe which resonates to a frequency n
The frequency of fundamental tone in an open organ pipe of length 0.48 m is 320 Hz. Speed of sound is 320 m/sec. Frequency of fundamental tone in closed organ pipe will be
If fundamental frequency of closed pipe is 50 Hz then frequency of 2nd overtone is
Two open organ pipes of length 25 cm and 25.5 cm produce 10 beat/sec. The velocity of sound will be
