diff options
Diffstat (limited to '3875/CH9/EX9.4/9_4.txt')
| -rw-r--r-- | 3875/CH9/EX9.4/9_4.txt | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/3875/CH9/EX9.4/9_4.txt b/3875/CH9/EX9.4/9_4.txt new file mode 100644 index 000000000..8b2655cbc --- /dev/null +++ b/3875/CH9/EX9.4/9_4.txt @@ -0,0 +1,2 @@ +The numerical aperture is = 0.3775.
+The acceptance angle is = 22 degree.
\ No newline at end of file |