2. What is the color of
light from a photon with
an energy of
4.40x10-19 J?

The grooves or folds of the brain are called

In the cathode ray tube experiment, j. j. thomson passed an electric current through different gases inside a cathode ray tube in the presence of an electric field. in which two ways did this experiment change scientists’ understanding of the atom?

Why are pipes bursting in the in extremely cold weather?