In a gaseous medium on increasing temperature 800 K, speed of sound becomes β5 times of initial then initial temperature of medium in Β°C is
Velocity of sound in medium is V. If the density of the medium is doubled, what will be the new velocity of sound ?
For sound waves propagating in a medium, identify the property that is independent of the others :
Speed of sound wave depends on medium and is independent of wavelength and frequency.
Speed of sound waves in a fluid depends upon
Two waves of amplitude 2A and A of same frequency and velocity propogate in same direction with same phase. Then resultant amplitude is
Resultant amplitude
\[ R= \sqrt{A^{2}+(2A)^{2}+ 2A.2A cos\theta} \]
As ΞΈ = 0ΒΊ
R= A+2A=3A
Two waves of intensity I1 and I2 propagate in a medium in same direction. Then sum of maximum and minimum intensity is
\[ I _{max= }\left( \sqrt{I_{1}} +\sqrt{I_{2}}\right)^{2} \]
\[ I _{min = }\left( \sqrt{I_{1}} - \sqrt{I_{2}}\right)^{2} \]
\[ I _{max} + I _{min} = 2(I_{1} + I_{2})\]
Two waves of intensity ratio 9 : 1 produce interference then
\[ \frac{I _{max}}{I _{min} } = \]
In a stationary wave all the particles
The particle displacement (in cm) in a stationary wave is given by y(x, t) = 2 sin (0.1 Οx) cos (100 Οt). The distance between a node and the next antinode is
Two wires are kept tight between the same pair of support. The tensions in the wires are in the ratio 2 : 1, the radii are in the ratio 3 : 1 and the densities are in the ratio 1 : 2. The ratio of their fundamental frequencies is