Question

prakash ke apavartan ke do niyam kon kon hai​

Answer 1

Answer:

light travels in straight line

light takes a path to move

Explanation:

diagram of rectilinear propagation of light

Answer 2

Answer:

1 law is when incident , ray refracted ray and normal in same plane .

2 law when incident ray are going to the glass slab then angle of i is formed,and refracted ray passing through the slab angle of r is formed

$\frac{i}r = n$