Which statement about a wave produced by a doorbell is true

What is the relationship between the wavelength of a wave and it's energy?

Iwill give brainliest if you answer right : )

A0.750 kg aluminum pan is removed from the stove and plunged into a sink filled with 10.0 kg of water at 293 k. the water temperature quickly rises to 297 k. what was the initial temperature of the aluminum pan? the specific heat of aluminum is ca = 900 j/(kgk) and water is cw = 4190 j/(kgk)