The diagram shows light passing through an opening and forming bands. which two order bands are the dimmest?

If the new moon happens on january 15th, what shape will it be on february 6th?

Afisherman notices that his boat is moving up and down periodically, owing to waves on the surface of the water. it takes a time of 2.70 s for the boat to travel from its highest point to its lowest, a total distance of 0.700 m. the fisherman sees that the wave crests are spaced a horizontal distance of 6.50 m apart. a. how fast are the waves traveling? b. what is the amplitude a of each wave?

Which if the following types of research is conducted on multiple occasions over time