The width of one of the two slits in a Young's double slit experiment is 4 times that of the other slit. The ratio of the maximum of the minimum intensity in the interference pattern is:

The translational degrees of freedom $$\left(f_t\right)$$ and rotational degrees of freedom $$\left(f_r\right)$$ of $$\mathrm{CH}_4$$ molecule are:

A charge $$q$$ is placed at the center of one of the surface of a cube. The flux linked with the cube is:

Correct formula for height of a satellite from earths surface is :