Two transverse waveforms (A and B) travel through the same medium with a phase difference of 180°.  If the amplitude of the waveforms is ±100 m, what is the combined displacement of both waveforms as waveform A reaches maximum displacement?A.0 mB.100 mC.175 mD.200 m

Two sinusoidal waves 𝑦1 (𝑥, 𝑡) and 𝑦1(𝑥, 𝑡) have the same wavelength and travel together in the samedirection along a string (say in x-direction). Their amplitudes are 𝑦10 = 4 𝑚𝑚 and 𝑦20 = 3 𝑚𝑚, and theirphase constants are 0 and 𝜋3 respectively. Find the amplitude and phase constant of the resultant wave andexpress the resultant in the standard wave format

A transverse periodic wave is represented by the equation y(x, t) = 1.50 cm sin(1,500 rad/s t − 10.0 m−1 x). Another transverse wave is represented by the equation y(x, t) = 1.50 cm sin(1,500 rad/s t + 10.0 m−1 x). What is the equation that represents the superposition of the two waves?

Two progressive waves meet at a fixed point P. The variation with time of the displacement ofeach wave at point P is shown.210–1–20 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8displacement/ cmtime / sThe two waves superpose at point P.What is the resultant displacement at time 0.38 s?A +1.0 cm B –1.0 cm C +1.8 cm D –1.8 cm28 In which situation does diffraction occur?A A wave bounces back from a surface.B A wave passes from one medium into another.C A wave passes through a gap in a barrier.D Waves from two identical sources are superposed

22 A transverse water wave is moving along the surface of some water. This causes a ball to movevertically without moving horizontally as it floats upon the surface. At one instant, the ball is at theposition shown.2.4 m0.70 mballdirection ofwave travelNOT TOSCALEThe wave has a frequency of 0.20 Hz and an amplitude of 0.70 m. The distance between a troughand an adjacent peak is 2.4 m.What is the distance travelled by the ball in a time of 20 s?A 5.6 m B 9.6 m C 11.2 m D 19.2 m23 A sound wave travels from left to right across a room. The variation with distance across theroom of the displacement of the air molecules at one instant is shown.At which distance will the air pressure be lowest?displacementdistance from left-handend of roomrightleft0A B C D24 A source emits a sound wave of a single frequency. The Doppler effect causes a differentfrequency of sound to be heard by a stationary observer.What is a requirement for the Doppler effect to occur?A a source that is moving as it produces the sound waveB a source that produces a polarised sound waveC a source that produces a sound wave of changing amplitudeD a source that produces a sound wave of changing frequency

Two waves of equal amplitude A𝐴, and equal frequency travel in the same direction in a medium. The amplitude of the resultant wave is