Q101 / 150 · MHT CET 2024 (09 May Shift 2) · Physics

A stationary wave is formed having 3 nodes along the length of the string 90 cm . The wavelength of the wave is

A
60 cm
B
75 cm
Correct answer
C
90 cm
D
30 cm

Solution

Distance between successive nodes will be 45 cm . This is equal to $\frac{\lambda}{2}$. $\therefore \quad \lambda=90 \mathrm{~cm}$

Hence, the correct answer is option: 'C'.

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