Question

String with a mass density of 4 × 10−3kg/m is under tension of 360 N and is fixed at
both ends. One of its resonance frequency is 375 Hz and next higher is 450 Hz. The mass of string is
(1) 2 × 10−3 kg (2) 4 × 10−3 kg (3) 1 × 10−3kg (4) 8 × 10−3kg​

Answer 1

Answer:

use the formula of string tension....