Question
A particle moving along the $X-$axis executes simple harmonic motion, then the force acting on it is given by
Where $A$ and $K$ are positive constants
Where $A$ and $K$ are positive constants
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The speed oflight in the medium is
($1$) The $8^{\text {mh }}$ bright fringe above the point $O$ oscillates with time between two extreme positions. The separation between these two extreme positions, in micrometer $(\mu m )$, is. . . . .
($2$) The maximum speed in $\mu m / s$ at which the $8^{\text {th }}$ bright fringe will move is. . . . .
Give the answer or quetion ($1$) and ($2$)