Question about organ pipe sound frequency?

Question

Based on this picture from the Jehmlich organ manufacturer in Dresden, Germany, estimate the frequency of sound produced by the organ pipe held by the man. Assume that the pipe is a tube open at both ends.

http://cache.daylife.com/imageserve/01iq4P0e330tQ/610x.jpg

Answer 1

L = 1.5 m and T= 20 deg C

lamda/2 = L

f1 =114.6 Hz = v/2L =343.7/3

Answer 2

L = 1.5 m  and T= 20 deg C

lamda/2 = L

f1 =114.6 Hz = v/2L =343.7/3