Is time a scaler or a vector? explain.

Determine the expected diffraction angle for the first-order reflection from the (310) set of planes for bcc chromium when monochromatic radiation of wavelength 0.0735 nm is used. the atomic radius for cr is 0.1249 nm.

Abird sitting high in a tree is an example of what type of wnergy

If steel is more dense that lake water, why can a boat float