A triangular medium has varying refracting index `n=n_0 +ax`, where x is the distance (in cm) along x-axis from origin and `n_0 = 4/3`. A ray is incident normally on face OA at the mid-point of OA. The range of a so that light does not escape through face AB when it falls first time on the face AB(OA=4cm, OB=3cm and AB=5cm): (Surrounding medium is air)

A triangular medium has varying refracting index mu = mu_(0) + ax where x is the distance (in cm) along x-axis from origin and m_(0) = 4//3 . A ray is incident normally on face OA at the mid-point of OA. Find the range of value of a so that light does not escape through face AB when it falls first time on the face AB.

A triangular medium has varying refracting index mu = mu_(0) + ax where x is the distance (in cm) along x-axis from origin and m_(0) = 4//3 . A ray is incident normally on face OA at the mid-point of OA. Find the range of value of a so that light does not escape through face AB when it falls first time on the face AB.

A glass prism of refractive index 1.5 is immersed in water of refractive index 4/3. A light ray incident normally on face AB is totally reflected at face AC if

A glass prims ABC (refractive index 1.5) , immersed in water (refrective index 4/3 ). A ray of light is incident normally one face AB. If it is totally reflected at the face AC, then

If a line passes through the mid point of AB where A is (3,0) and B is (5,4) and makes an angle 60^@ with x-axis find its equation.

A glass prism is immeresed in water as shown in the figure. When a beam of light incident is incident normally on the face ab, it is internally reflected at the face ad. If the refractive index of glass is 1.5 and that of water is 4//3 , then

A glass prism is immeresed in water as shown in the figure. When a beam of light incident is incident normally on the face ab, it is internally reflected at the face ad. If the refractive index of glass is 1.5 and that of water is 4//3 , then

The refrating angle of a prism is 40^@ and the refractive index of its material is given by mu=1.25 + b/(delta^2) When a ray of light is incident normally on the face AB of the prism,after refraction through the prism,the ray of light just grazes along the face AC as shown in Fig.3.20. If the wavelength of the incident light is 440 nm,find the value of b.

The refrating angle of a prism is 40^@ and the refractive index of its material is given by mu=1.25 + b/(delta^2) When a ray of light is incident normally on the face AB of the prism,after refraction through the prism,the ray of light just grazes along the face AC as shown in Fig.3.20. . Find the critical angle for the material of the prism.

A equilateral glass prism has a refractive index sqrt (2) . A light ray is incident at 45^ @ on one face.Total deviation of ray after refraction from second surface is n times15^(0) where 'n' is