Areflection laue exposure of an aluminium crystal (lattice parameter 0,405 nm) is made using 50 kev radiation. the (111) planes make an angle of 88â° with the incident beam. what order reflections are present in the beam that is diffracted by these planes? ignore diffraction as a result of wavelengths greater than 0,2 nm that will be too weak to observe.

convex lenses are thicker at the middle. rays of light that pass through the lens are brought closer together (they converge). a convex lens is a converging lens. when parallel rays of light pass through a convex lens the refracted rays converge at one point called the principal focus.

where's the following? you gotta add it to know what the choices are

explanation:

are you like autistic or something?

xd