JEE Main 9 Apr 2019 Paper 2 Solved Paper

Section: Physics

Question : 18 of 90

Marks: +1, -0

A string 2.0 m long and fixed at its ends is driven by a 240 Hz vibrator. The string vibrates in its third harmonic mode. The speed of the wave and its fundamental frequency is :

[9 Apr 2019 Shift 2]

320 m/s, 80 Hz
180 m/s, 120 Hz
320 m/s, 120 Hz
180 m/s, 80 Hz

Validate

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