MEDIUM
12th Maharashtra Board
IMPORTANT
Earn 100

A pipe open at both the ends has a fundamental frequency of 600 Hz. The first overtone of a pipe closed at one end has the same frequency as the first overtone of the open pipe. How long are the two pipes? (Take the velocity of sound to be 330 m/s).

 

Important Questions on Superposition of Waves

MEDIUM
12th Maharashtra Board
IMPORTANT
Physics Standard 12>Chapter 6 - Superposition of Waves>Exercises>Q 19
A string 1 m long is fixed at one end. Transverse vibrations of frequency 15 Hz are imposed at the free end. Due to this, a stationary wave with four complete loops, is produced on the string. Find the speed of the progressive wave which produces the stationary wave.
MEDIUM
12th Maharashtra Board
IMPORTANT
Physics Standard 12>Chapter 6 - Superposition of Waves>Exercises>Q 20
A violin string vibrates with fundamental frequency of 440 Hz. What are the frequencies of first and second overtones?
MEDIUM
12th Maharashtra Board
IMPORTANT
Physics Standard 12>Chapter 6 - Superposition of Waves>Exercises>Q 21
A set of 8 tuning forks is arranged in a series of increasing orders of frequencies. Each fork gives 4  beats per second with the next one and the frequency of the last fork is twice that of the first. Calculate the frequencies of the first and the last fork. 
 
MEDIUM
12th Maharashtra Board
IMPORTANT
Physics Standard 12>Chapter 6 - Superposition of Waves>Exercises>Q 22
A sonometer wire is stretched by tension of 40 N. It vibrates in unison with a tuning fork of frequency 384 Hz. How many numbers of beats get produced in two seconds if the tension in the wire is decreased by 1.24 N?
EASY
12th Maharashtra Board
IMPORTANT
Physics Standard 12>Chapter 6 - Superposition of Waves>Exercises>Q 23

A sonometer wire of length 0.5 m is stretched by a weight of 5 kg. The fundamental frequency of vibration is 100 Hz. Determine the linear density of material of wire.

MEDIUM
12th Maharashtra Board
IMPORTANT
Physics Standard 12>Chapter 6 - Superposition of Waves>Exercises>Q 24
The string of a guitar is 80 cm long and has a fundamental frequency of 112 Hz. If a guitarist wishes to produce a frequency of 160 Hz, where should the person press the string?