Hello candidate,

Here is a list of some of the most important formulas and tricks used in Physics for entrance examinations- spring constant of a spring equation, time period of oscillation for a simple pendulum, frequency of vibration for closed and open ended folks, radius of gyration for different solid and geometrical objects, equation of moment of inertia for various bodies, wheatstone bridge formula, radioactive decay and alpha and beta scattering phenomenon, optics equations for lenses and mirrors, frequency of a cyclotron in electromagnetic induction, dependence on voltage of transmitters based on number of turns, are some of them.

Hope you found it helpful. If you have any further queries feel free to post it here!!