The venturi-meter works on:
In hydrogen spectrum, the shortest wavelength in the Balmer series is λ. The shortest wavelength in the bracket series is :
Radius order of \(Yb^{3+}, La^{3+}\), \(Ce^{3+}\), \(Pm^{3+}\)?
If \(f(x) = \sin x e^{\sin x}\), find \(f'(x)\)
If \(tan(x - y) = \frac{4}{5}\), \(\tan(x + y) = \frac{6}{5}\), then \(\tan(2x) =\)
If \(f(x)\) is continuous in \(\mathbb{R}\),
find \(k\).