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52
=tan -1 (0.1) = 0.1 radian
Maximum angle of acceptance
75
Example 1.4
4
.
1 )2
−
o Prof. Ramesh Singh, Notes by Dr. Singh/ Dr. Colton
= ( R 12
.
5
µ h f =
= tan -1 )h − b rad 089
. 0
φ max ( = α =
•
