Physics · 2023
JEE Main · 11 April 2023, Shift 1 · Q56
The equation of wave is given by Y=10^-2 sin 2 π(160 t-0.5 x+π / 4) where x and Y are in m and t in s. The speed of the wave is ____ km h^-1.
The equation of wave is given by
$$Y=10^{-2} \sin 2 \pi(160 t-0.5 x+\pi / 4)
$$
where $\displaystyle x$ and $\displaystyle Y$ are in m and t in $\displaystyle s$. The speed of the wave is $\displaystyle \_\_\_\_$ $\displaystyle \mathrm{km} \mathrm{h}^{-1}$.
Official answer
From NTA’s final answer key for this paper.
1152
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JEE Main 2023 Physics question, with the answer from NTA’s final answer key. Where our answers come from.