Rationalised 2023-24
Physics
258
Thus, if we wish to determine the shape of the wavefront at t = t, we
draw spheres of radius vt from each point on the spherical wavefront
where v represents the speed of the waves in the medium If we now draw
a common tangent to all these spheres, we obtain the new position of the
wavefront at t = t The new wavefront shown as G1G2 in Fig 10