The surface of a concave mirror curves _____________ like the inner part of a spoon

This mirror is called a ___________

This mirror is used as a security mirror in stores

The image is formed by a ___________ mirror

This mirror is producing a ______________ image

This optical instrument is called

The instrument shown here is using the concept of __________ light to produce image

Light travel in a straight line

Light ray produce shadows when it is blocked by an opaque object

THE RAINBOW IN THE SKY IS FORMED AFTER THE LIGHT RAYS ARE ______________ BY THE WATER DROPLETS

When refraction of light ray occur , the light rays are moving through two different mediums with different ____________

A swimming pool appear shallower because of ____________________ light

When the white light is dispersed it will form a spectrum of _____ coloured light

During noon the sky appear blue because the blue light with the shortest wavelength is _______________ the most in all direction

The sun set shows the sky is red , this phenomenon occur because the the red and orange light rays with the long wavelengths are less scattered . The blue light rays with shorter wave length are are scattered away in all directions .

There two types of images , the _______________ image and the ___________ image.