An initially parallel cylindrical beam travels in a medium of refractive index `mu(I)=mu_0+mu_2I`, where `mu_0` and `mu_2` are positive constants and I is the intensity of the light beam. The intensity of the beam is decreasing with increasing radius.
30 . At the beam enters the medium, it will

An initially parallel cylindical beam travels in a medium of refractive index mu(I)=mu_0+mu_2I ,where mu_0 and mu_2 are positive constants and I is the intensity of the light beam.The intensity of the light beam is decreasing with increasing radius. As the beam enters the medium,it will

An initially parallel cylindrical beam travels in a medium of refractive index mu(I)=mu_0+mu_2I , where mu_0 and mu_2 are positive constants and I is the intensity of the light beam. The intensity of the beam is decreasing with increasing radius. 32. The speed of light in the medium is

An initially parallel cylindical beam travels in a medium of refractive index mu(I)=mu_0+mu_2I ,where mu_0 and mu_2 are positive constants and I is the intensity of the light beam.The intensity of the light beam is decreasing with increasing radius. The speed of the light in the medium is

An initially parallel cylindrical beam travels in a medium of refractive index mu(I)=mu_0+mu_2I , where mu_0 and mu_2 are positive constants and I is the intensity of the light beam. The intensity of the beam is decreasing with increasing radius. 31. The initial shape of the wavefront of the beam is

An initially parallel cylindical beam travels in a medium of refractive index mu(I)=mu_0+mu_2I ,where mu_0 and mu_2 are positive constants and I is the intensity of the light beam.The intensity of the light beam is decreasing with increasing radius. The initial shape of the wave front is

An intially parallel cyclindrical beam travels in a medium of refractive index mu (I) = mu_(0) + mu_(2) I , where mu_(0) and mu_(2) are positive constants and I is intensity of light beam. The intensity of the beam is decreasing with increasing radius. Answer the following questions : The initial shape of the wavefront of the beam is

An intially parallel cyclindrical beam travels in a medium of refractive index mu (I) = mu_(0) + mu_(2) I , where mu_(0) and mu_(2) are positive constants and I is intensity of light beam. The intensity of the beam is decreasing with increasing radius. Answer the following questions : The initial shape of the wavefront of the beam is