How much protein does a $250 \ kg$ cow produce in a day (in $g$)?

If $f$ is an even function defined on the interval $(-5, 5)$,then four real values of $x$ satisfying the equation $f(x) = f\left( \frac{x + 1}{x + 2} \right)$ are

In the given $LCR$ circuit,the voltage across the terminals of the resistance and the current in the circuit will be:

$A$ Young's double slit experiment uses a monochromatic source. The shape of the interference fringes formed on a screen is

An infinitely long thin straight wire has a uniform linear charge density of $\frac{1}{3} ~Cm^{-1}$. The magnitude of the electric field intensity at a point $18 ~cm$ away is (given $\varepsilon_0 = 8.85 \times 10^{-12} ~C^2 N^{-1} m^{-2}$):

Identify phenacetin from the following.