Question

Reflection from a cardboard is diffused where as from the surface of a mirror is regular. So in which case angle i= angle r?
1) only in case of cardboard
2) Only in case of a mirror
3) Both cardboard as well as mirror
4) None of these​

Answer 1

Answer:

Answer is  B- only in case of a mirror

Explanation:

Answer 2

Answer:

B is the answer. 2) Only in case of a mirror

Hope it will help you. Have a great day.