Question

plllzzz answer my flowing question.
1. what is the relationship between the angle of incidence and angle of reflection?
2. Write a note on the alternate technology for the blind people.
3. Give some examples of dispersion of light in your surrounding.

Answer 1

1. the angle of incidence = angle of reflection

Answer 2

1)the angle of incidence = angle of reflection.
2)they can read by braille system which is the page whit raised dots which the blind can read ny tiuching the dots.
3)when a glass tumblar with water is keort near a source of kight the white beam of light is dispersed and sepserates intp 7 colours.