Question

Worksheet 2
M. Simplify the following numerical expressions.
5 3 1
(d)
1 1/2 + 1 1/2
7
8
4
3 5
+
8.
(a)
8
ow colc
(e)
2 5 2 2 5
5 6 3 12
1 3 3
+
2 10 5
(b)
(1). 4
N-
+
2 123
7 1
= 2
2 12 2
C​

Answer 1

Answer:

the angle between the incident Ray and Normal is known as angle of incident