Page 2 - HA

Surfaces on which the angle of incidence is equal to the angle of reflection
is/are
(a) S1 only
(b) S1 and S2 only
(c) S2 and S3
(d) all the three surfaces

7. Angle of incidence is equal to the angle of reflection. (choose correct option) 1
(a) Always
(b) Sometimes
(c) Under special conditions
(d) Never
8. Differentiate between regular and diffused reflection. Does diffused reflection 3
mean the failure of the laws of reflection?

9. Mention against each of the following whether regular or diffused reflection will 3
take place when a beam of light strikes. Justify your answer in each case.
(a) Polished wooden table
(b) Chalk powder
(c) Cardboard surface
(d) Marble floor with water spread over it
(e) Mirror
(f) Piece of paper