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Path taken in the eye ball by light rays...

Path taken in the eye ball by light rays is

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What is the correct sequence of the parts of the eye that the light rays cross in reaching the retina

What is the correct sequence of the parts of the eye that the light rays cross in reaching the retina ?

A ray of light strikes the surface of a rectangular glass slab such that the angle of incidence in air is (i) 0^(@), (ii)45^(@) . In each case, draw a diagram to show the path taken by the ray as it passes through the glass slab and emerges from it.

A ray of light travelling with a speed c leaves point 1 shown in figure and is reflected to point 2. The ray strikes the reflecting surface at a distance x from point 1. According to Fermat's principle of least time, among all possible paths between two points , the one actually taken by a ray of light is that for which the time taken is the least (In fact there are some cases in which the time taken by a ray is maximum rather than a minimum). Find the time for the ray to reach from point 1 to point 2.

A ray of light travelling with a speed c leaves point 1 shown in figure and is reflected to point 2. The ray strikes the reflecting surface at a distance x from point 1. According to Fermat's principle of least time, among all possible paths between two points , the one actually taken by a ray of light is that for which the time taken is the least (In fact there are some cases in which the time taken by a ray is maximum rather than a minimum). Find the time for the ray to reach from point 1 to point 2.

A ray of light travelling with a speed c leaves point 1 shown in figure and is reflected to point 2. The ray strikes the reflecting surface at a distance x from point 1. According to Fermat's principle of least time, among all possible paths between two points , the one actually taken by a ray of light is that for which the time taken is the least (In fact there are some cases in which the time taken by a ray is maximum rather than a minimum). Find the time for the ray to reach from point 1 to point 2.

Q."4 A light ray travels in a glass slab of refractive index mu=2 .Find the time taken by the light ray to travel in the glass slab for a distance of 20sqrt(3)d (Velocity of light =c )