Sound WavesHard
Question
Length of a sonometer wire is either 95 cm or 100 cm. In both the cases a tuning fork produceses 4 beats then the frequency of tuning fork is : -
Options
A.152
B.156
C.160
D.164
Solution
For sonometer wire
n × 100 = (n + 1) × 95
n = no of harmonics
⇒ n = 19
∴ f = 19
+ 4 = 20 
- 4 ⇒ L = 16
⇒ f = 20
- 4 = 156 Hz
n × 100 = (n + 1) × 95
n = no of harmonics
⇒ n = 19
∴ f = 19
+ 4 = 20 - 4 ⇒ L = 16⇒ f = 20
- 4 = 156 HzCreate a free account to view solution
View Solution FreeMore Sound Waves Questions
The Ksp of Ag2CrO4 is 1.1 × 10-12 at 298 K. The solubility (in mol/L) of Ag2 CrO4 in a 0.1 M AgNO3 solution is...One of the mode of resonance in a tube containing water at one end has been shown. The tube in the present case is in :-...The equation of a wave on a string of linear mass density 0.04 kg m-1 is given by y = 0.02(m) sin . The tension in the s...A vibrating string of certain length l under a tension T resonates with a mode corresponding to the first overtone (thir...A cylindrical tube (L = 120 cm.) is in resonance with a tuning fork of frequency 330 Hz. If it is filling by water then ...