0. 26 : The phase difference between two points is t/3. If the frequency of wave is 50 Hz, then what is the distance between two points (v = 330 m/s) (a) 0.6 m (b) 1.1 m (b) 1.7 m (d) 2.2 m
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- 9. A plane seismic wave, travelling vertically downwards in a rock of density 2200 kg m-3 with seismic velocity 2000 m s-1, is incident on the horizontal top surface of a rock layer of density 2400 kg m-3 and seismic velocity 3300 m s-1. (a) What are the amplitude ratios of the transmitted and reflected waves? (b) What fraction of the energy of the incident wave is transmitted into the lower medium?Red light has a frequency of 4.0 x 1014 its wavelength? Hz and a speed of 3.0 x 10° m/s. What is O 750 x 10-7 m O 750 cm O13x10° m O 1.3 10 m O 750 nm 12 mX A 200 KHz wave travels at 200 m/s. What is its wavelength? * 0.001 m 0.0165 mm 0.01 m 1 m
- A capillary wave is a wave traveling across the surface of a fluid that is driven by the surface tension within the fluid. The speed v of a capillary wave depends on the density of the fluid ?ρ , the wavelength of the wave ?λ, and the surface tension ?σ . The SI units of surface tension are J/m2. The capillary wave speed can be written as ?=???????v=kσaρbλc , where k is some unitless constant. What must be the value of c?A certain transverse wave is described by y(x,t)=Bcos[2π(xL−tτ)]y(x,t)=Bcos[2π(x/L−t/τ)], where B = 6.30 mm, LLlambda = 30.0 cm, and τ = 3.20×10−2 ss. Determine the wave's amplitude. Express your answer in meters. Determine the wave's wavelength. Express your answer in meters. Determine the wave's frequency. Express your answer in hertzes . Determine the wave's speed of propagation. Express your answer in meters per second. Determine the wave's direction of propagation. +x or -x?