Question

Define the following terms. ( In Brief)​

Answer 1

Answer:

1) Refraction is the phenomenon of bending of light from its straight path when it passes at an angle from one transparent medium to another.

2) Spherical focus is the point where the parallel rays coming from infinity meets in lens .

3) Principle focus is the point where parallel rays to principal axis meets coming from infinity in mirror.

4) Distance from pole to focus is termed as focal length.

5) It is the phenomenon of splitting of white light into it's constitutes colours when it passes through a glass prism.

Hope it helps you dude ...