Question

A.
Fill in the blanks.
1. Light travels _______
in a medium with greater refractive index.
2. When a light ray passes from an optically rarer medium to an optically denser medium, it bends___________
the normal.
3. A ray of light coming out of a rectangular glass slab emerges_______
to its original path.
4. A ___________
is a circular arc of seven colours formed in the sky.​

Answer 1

Answer:

1) Straight

2) Towards

3) Emergent Ray

4) Rainbow

Answer 2

1 . straight

Explanation:

2.towards ,3.Emergent ray. ...4 Rainbow. ,,,I hope ☝️u understand it,,