Optics Answers

What is snell law and write an expression.

A converging lens of focal length 20.0 cm forms an image of each of two objects placed (a) 40.0 cm and 

(b) 15.00 cm in front of the lens. In each case, find the image distance and describe the image

discuss the nature of light

obtain a relation that shows how vergence changes with distance.

write a short note on sign convention for spherical refracting surface

Explain how two thin prisms can be combined to produce without dispersion deviation of the mean light. obtain an expression for the resultant deviation

Explain Principal points and principal planes. Show that the principal planes are the planes of unit lateral magnification

What is dark fringe width.

Explain the fringe width of young double slit experiment.

Notes on propertiescof laser.