the branch of optics that studies interference, diffraction, polarization, and other phenomena for which the ray approximation of geometric optics is not valid.
Answer:
heat energy is used in boiling water and to make steam at power stations
Explanation:
Speed is equal to distance traveled divided by the time. So it's 3.5 m/s
Answer:
The first statement is false, the Sun has a stronger gravitational pull.
:
