Question

30. a) Write the two laws of reflection.
b.)Name the type of mirror used in the following:
[2]
[31
1.) Periscope in.) Rear view mirror of vehicles in.) Ophthalmoscope​

Answer 1

30

a)1.Angle of incidence is equal to angle of reflection

2. Incident Ray, Normal and reflected ray all lie on the same plane

31

1)Periscope- plane mirror

2)Rear view mirror of vehicles - convex mirror

3)Ophthalmoscope - concave mirror