Two identical strings X and Z made of same material have tension and in them

PHYSICS · Single correct · CBSE · Physics · Waves · Waves

Problem

Two identical strings X and Z made of same material have tension

T_X

and

T_Z

in them. If their fundamental frequencies are 450 Hz and 300 Hz, respectively, then the ratio

T_X/T_Z

is: (1) 2.25 (2) 0.44 (3) 1.25 (4) 1.5