A commercial diffraction grating has 300 lines per mm. Part A Part complete When a student shines a 470 nm laser through this grating, how many bright spots could be seen on a screen behind the grating

Write the function getkthdigit(n, k) that takes a possibly-negative int n and a non-negative int k, and returns the kth digit of n, starting from 0, counting from the right

As a pendulum bob swings back and forth several times, the maximum height it reaches becomes less and less. this is because more and more of the pendulum bob's energy is being transformed into a. heat energy b. kinetic energy c. potential energy d. kinetic energy and potential energy

The movement of electrons between atoms is called an