Question

1) angle of incidence is..............to angle of reflection.

2) The angle made by the incident ray with................... is called angle of incident.

3) the angle made by the reflected ray with................is called angle of reflection.

4) if the angle between incident ray and reflected ray is 90*, then the angle of incidence is...................

5) if the angle between incident ray and reflected ray is 90*, then the angle of reflection is.............

6) if the angle made by the incident ray with the mirror is 30*, then the angle of reflection is ................

7) the angle of reflection when a ray is incident on a plane mirror at an angle of 90* degrees is....................


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Answer 1

Answer:

1 ) equal ( = )

2 ) normal

3 ) normal

4 ) 90° / 2 = 45°

5 ) 90° / 2 = 45°

6 ) 60°

7 ) 0°

Answer 2

Answer:

1)- equal

2)- normal

3)- normal

4)- 45°

5)- 45°

6)-60°

7)- 0°

Hope it helps you.