What is the energy, in keV, of 60 keV x-ray photons that are backscattered (i. e., scattered directly back toward the source) by the electrons in a target

the answer is a. the yacht traveled from the dock north to the 200-meter marker in the bay in less than 5 minutes, giving the passengers several more hours to fish.

im doing peak rn so sry if its wrong

when heated, the valance electrons increased their speed and transferred the heat from electron to electron.   i just took the test.

54 degrees incident angle = reflected angle

angle is from normal turned to line of ray