Light Test - 33...

An incident ray passing through the focus will be reflected :

The incident ray, reflected ray and the normal in case of a plane mirror are in the ..............

When a light ray is reflected repeatedly by a set of parallel plane mirrors, the intensity of light rays decreases after some reflections. This is because of :

The Braille code used by blind people use dot patterns for words. How many dot patterns or characters are used for this code?

When the angle between two plane mirrors is $$30^{\circ}$$, how many multiple images will be formed by the mirrors?

When the distance between the object and the plane mirror increases:

If the angle of incidence is $$50^{\circ}$$, then calculate the angle between the incidence ray and the reflected ray is ? 

The light enters our eye through the transparent _________, passes through the _______ and is focused on the _______. The ________ is sensitive to light and sends images to our brain through  _________ . 

How many images of a candle will be formed if it is placed between two parallel plane mirrors separated by 40 cm ?