A glass sphere, refractive index 1.5 and radius 10cm, has a spherical cavity of radius 5cm concentric with it. A narrow beam of parallel light is directed into the sphere. Find the final image and its nature.

A glass sphere with 10 cm radius has a 5 cm radius spherical hole at its centre. A narraow beam of parallel light is directed into the sphere. Where, if anywhere, will the sphere produce an image? The index of refraction of the glass is 1.50.

A glass sphere of radius 2R and refractive index n has a spherical cavity of radius R, concentric with it. Q. When viewer is on right side of the hollow sphere, what will be apparent change in position of the object?

A glass sphere of radius 2R and refractive index n has a spherical cavity of radius R, concentric with it. Q. When viewer is ono left side of the hollow sphere, what will be the shift in position of the object?

A glass sphere of index 1.5 and radius 40 cm has half its hemispherical surface silvered. The point where a parallel beam of light, coming along a diameter, will focus (or appear to) after coming out of sphere, will be :

A glass sphere of index 1.5 and radius 40 cm has half its hemispherical surface silvered. The point where a parallel beam of light, coming along a diameter, will focus (or appear to) after coming out of sphere, will be :

A ring of radius 1cm is placed 1m in front of a spherical glass ball of radius 25cm with refractive index 1.50. Determing the positiion of the final image of the ring and its magnification.

A ring of radius 1cm is placed 1m in front of a spherical glass ball of radius 25cm with refractive index 1.50. Determing the positiion of the final image of the ring and its magnification.

A glass sphere of refractive index 1.5 has a diameter of 0.2m. A parallel beam is incident on the sphere. Where is it brought to focus by the sphere ?