A tunable dye laser emits pulses of light at 490 nm, each having a total energy of 3.80E-6 J. Calculate the number of photons in each pulse.

In apex! a liquid heated beyond a certain temperature becomes

Clyde and marilyn are riding a roller coaster. during which section(s) of the track is their potential energy converted to kinetic energy? a. from point b to point c only b. from point b to point d only c. from point a to point b only d. from point a to point b and from point c to point d

Which of the following is most likely true about water in chemical solutions?