Physics · 2021
JEE Main · 26 August 2021, Shift 1 · Q24
Two travelling waves produces a standing wave represented by equation. y=1.0 mm cos (1.57 cm^-1) x sin (78.5 s^-1) t. The node closest to the origin…
Two travelling waves produces a standing wave represented by equation.
$\displaystyle y=1.0 \mathrm{~mm} \cos \left(1.57 \mathrm{~cm}^{-1}\right) x \sin \left(78.5 \mathrm{~s}^{-1}\right) \mathrm{t}$. The node closest to the origin in the region $\displaystyle x>0$ will be at $\displaystyle x=$ \_\_\_\_ cm .
Official answer
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