There are two groups of waves with the same amplitude. One contains waves of short wavelength and the other has waves of long wave-length, Which waves have the most energy?

The electric potential v is constant everywhere within a certain region of space. which statement below is true? the choices are: the electric field is also constant (but not zero) within the region. a charged particle placed within the region will experience an electric force. the electric field is zero everywhere within the region. the electric field varies from place to place within the region.