Question

1. light travels dash in a medium with greater refractive index 2. when a light ray passes from an optically rarer medium to an optically denser medium its bends dash the normal 3. a ray of light coming out of a rectangular glass slab emerges dash to its original path 4. a dash is a circular arc of seven colours formed in the sky
( its very urgent please give me answer)​

Answer 1

Answer:

1. slower in greater refractive index
2. towards the normal
3. different way from its original path
4. rainbow

Answer 2

Answer:

1. Slower

2.towards

3.different way

4.rainbow