Verified Solution • 2025–26 Session moderate

QJEEM20Ph7f58: JEE Main 2020 Physics - Class 11 JEEM20Ph7f58 Solution: Two identical strings X and Z made of same material have…

Two identical strings X and Z made of same material have tension TX and TZ in them. If their fundamental frequencies are 450 Hz and 300 Hz, respectively, then the ratio TX/TZ is

Multiple Choice Options

  • A 2.25
  • B 0.44
  • C 1.25
  • D 1.5

Step-by-Step Verified Solution

f = 12lTμ

For identical string l and μ will be same

f ∝ T

∴ 450300=TxTy

⇒ TxTy=94 = 2.25

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