If the interplanar distance in the crystal is 287 pm , and the angle of maximum reflection is found to be 7.29 ∘, what is the wavelength of the x-ray beam? (assume n=1.)

The two required components for a generator are

Which of these is not a possible type of energy transformation? a. electrical energy into light energy b. sound energy into nuclear energy c. potential energy into kinetic energy d. kinetic energy into mechanical energy

The items in the following list are all units of matter. which is the smallest unit that retains the properties of the matter? a.) atom b.) compound c.) electron d.) element