If you observed that an em wave had a wavelength of 10-12m, what sort of wave is it?

What are similarities and differences between refraction, reflection, diffraction and absorption?

The magnitude of the poynting vector of a planar electromagnetic wave has an average value of 0.939 w/m^2 . the wave is incident upon a rectangular area, 1.5 m by 2.0 m, at right angles. how much total electromagnetic energy falls on the area during 1.0 minute?

Which pair of quantities includes one quantity that increases as the other decreases during simple harmonic motion?