EASY
MHT-CET
IMPORTANT
Earn 100

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 the ends. The length of the organ pipe open at both the ends is

50% studentsanswered this correctly

Important Questions on Stationary Waves

EASY
MHT-CET
IMPORTANT
Physics Crash Course MHT-CET>Chapter 10 - Stationary Waves>Exercise 1>Q 133
An open pipe of length 33 cm resonates to a frequency of 1000 Hz. The mode of vibration is (velocity of sound = 330 m s-1),
EASY
MHT-CET
IMPORTANT
Physics Crash Course MHT-CET>Chapter 10 - Stationary Waves>Exercise 1>Q 134
If the fundamental frequency of a pipe closed at one end is 512 Hz, the fundamental frequency of a pipe of the same dimensions but open at both ends will be,
EASY
MHT-CET
IMPORTANT
Physics Crash Course MHT-CET>Chapter 10 - Stationary Waves>Exercise 1>Q 135
A closed organ pipe and an open organ pipe are tuned to the same fundamental frequency. What is the ratio of their lengths?
EASY
MHT-CET
IMPORTANT
Physics Crash Course MHT-CET>Chapter 10 - Stationary Waves>Exercise 1>Q 136
A series combination of two open organ pipes of fundamental frequencies ν1 and ν2 is made. The fundamental frequency of this series combination obtained will be:
EASY
MHT-CET
IMPORTANT
Physics Crash Course MHT-CET>Chapter 10 - Stationary Waves>Exercise 1>Q 137
If λ1, λ2, λ3 are the wavelengths of the waves giving resonance in the fundamental, first and second overtone modes, respectively, in an open organ pipe, then the ratio of the wavelengths λ1:λ2:λ3, is 
EASY
MHT-CET
IMPORTANT
Physics Crash Course MHT-CET>Chapter 10 - Stationary Waves>Exercise 1>Q 138
The maximum variation of pressure in an open organ pipe of length l vibrating in fundamental mode is at
EASY
MHT-CET
IMPORTANT
Physics Crash Course MHT-CET>Chapter 10 - Stationary Waves>Exercise 1>Q 139
A whistle whose air column is open at both ends has a fundamental frequency 500 Hz. The whistle is dipped in water such that half of it remains out of water. What will be the fundamental frequency now? (speed of sound in air is 340 ms–1)
EASY
MHT-CET
IMPORTANT
Physics Crash Course MHT-CET>Chapter 10 - Stationary Waves>Exercise 1>Q 140
In forced vibration, the body vibrates with the