1 Sketch an arrangement that may be used to observe the fringe pattern when light from a narrow slit illuminated by a sodium vapour
lamp is passed through a double slit.​

The speed of light can be used to measure the

Energy flows from the producer level to the level. is called

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)