Write expression for the angular dispersion produced by a prism.

Write expression for Boyle's law.

Write expression for the magnification produced by a lens system.

Write expression for Charles's law.

Write expression for power factor.

Write expression for the rate of decay.

Write an expression for the magnetic field produced by an infinitely long straight wire carrying a current I, at a short perpendicular distance a from itself.

Write an expression for the frequency produced by a stretched string.

Write expression for mass defect.

Write an expression for the centripetal force.