Which of the following statements is NOT true? 1)The average magnitude of the Poynting vector is the intensity of a wave 2)Momentum per unit time per unit area carried by an EM wave is called radiation pressure 3)The speed of light in a vacuum is constant 4)EM waves with very large wavelengths are called gamma rays

answer: the correct answer id option(d).

explanation:

snell's law refraction:

the angle of refraction =

the angle of incidence =

refractive index of air = = 1

refractive index of glycerol = 1.47

from the given options, the most closest answer to 63.72° is 65° of option (d).

i believe it is b. what was the cause of the big bang

hope this !

you go to your settings preference and in the end youll see sth that says "i want to delete my acc" click on it and u'll acc will be deleted but u have to wait.

laticia draws the diagram below to show earth’s magnetic field.

answer

the arrows to the right of earth should point up.