Question

1)What happen when a ray of ordinary light is passed through a triangular glass prism
2)what will happen if another similar glass prism is placed upside down behind the first prism

Answer 1

Explanation:

for the first condition the light will split in 7 colours of rainbow (VIBGYOR) also called spectrum because change of medium will be there. here medium means that light first passes through the air and then the glass and the again air

now for the second condition the light first passes through the air than glass prism then again air and then again glass prism than again air thus the light change into the same type of light with which we began.

first make a diagram for this and then see my answer.

you will understand like this better.

please mark this answer as the brainliest.