diff --git a/300s School/NUCE 2113 - Radiation Detection and Measurement/Laboratory 3.md b/300s School/NUCE 2113 - Radiation Detection and Measurement/Laboratory 3.md
index dd6b53dee..a66843251 100644
--- a/300s School/NUCE 2113 - Radiation Detection and Measurement/Laboratory 3.md	
+++ b/300s School/NUCE 2113 - Radiation Detection and Measurement/Laboratory 3.md	
@@ -41,3 +41,6 @@ Both halves 1 minute count at 925 volts 1cm R12
 
 Left half only 1 minute count at 925 voltes 1cm R2
 15257 counts
+Question 3.1 we may not really have to do
+Exercise 3.4
+