A.that of a prismatic bar of the same length
B.one third that of a prismatic bar of the same length
C.One fourth that of a prismatic bar of the same length
D.one sixth that of a prismatic bar of the same length
A.that of a prismatic bar of the same length
B.one third that of a prismatic bar of the same length
C.One fourth that of a prismatic bar of the same length
D.one sixth that of a prismatic bar of the same length