# Physics equations AS level

 Equation for speed/velocity Speed= Distance/Time Equation for mass Mass=Density x Volume Equation for power Power=Work done/Time What is the wave equation V= Frequency x Wavelength Equation for refractive index Refractive index= Speed of light in vacuum/ Speed of light in material (C/V) Equation to find critical angle sinC=1/n (refractive index) What is the equation for finding the path differenceÂ in Young's double slit experiment Path difference= separation of double slits x fringe separation / distance from slits to the screenPath difference= ay/d What equation is used to find the wavelength at the first point above the axis of symmetry in Young's double slit experiment since it is the first oder n=1 ay/d=n x WavelengthÂ so Wavelength= ay/d what is the equation for energy in a photon E=hfE= Planck's constant x frequency of radiation If the energy of the photon is greater than the work function, what is the equation used to find the KE from the electrons hf-work function=1/2 x m(v squared) What equation is used to find the threshold frequency work function=h x threshold frequency What equation can be used to find the frequency of a photon emitted or the energy difference between two levels hf= change in E What equation can be used to find the minimum wavelength of an x-ray photon E of X-ray photon= hc/ min wAvelength =eV What is the equation for a wavelength associated with a particle having a momentum Wavelength= h/pwhere wavelength is de Broglie wavelengthh is Planck's constantp is the momentum of the particle AuthorDC11 ID343951 Card SetPhysics equations AS level DescriptionPhysics equations for DT2 Updated2018-12-02T18:26:59Z Show Answers