Question

give me all amswers than i will follow u pakka......​

Answer 1

Answer:

1).least time

2).a light ray travelling in a straight path.

3).option c

4).Further on reflection, it makes the same angle i.e. angle of reflection is equal to angle of reflection. Hence, as angle of incidence is 55∘ angle of reflection too is 55∘ and the angle between the incident ray and the reflected ray is 55∘+55∘=110∘ .

5).1,3,2

6).both

7).2

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