Light Reflectio...

All distances are measured from the .............. of mirror

The ratio of the sine of angle  of incidence to the sine of angle of refraction is a constant for :

Change in the direction of light when it passes from one medium to another is called ............

The curved surface of a shining spoon could be considered as a ...............

Centre of curvature of a concave mirror lies .......

When a ray of light passes through a rectangular slab, made up of some transparent material other than glass, the emergent ray is

When light travels from air to water there is ...........................

The surface of the spoon which is curved inwards can be approximated to be ($$a$$) .......... mirror and the surface of the spoon which is bulged outwards can be approximated to ($$b$$) ......... mirror.

The centre of the sphere from which the spherical mirror has been formed is called ....................

For a light ray undergoing refraction, $$\dfrac{sin i}{sin r}=$$