What is the wavelength of a wave with a frequency of a 466 Hz and a speed of 343 m/s? A. 0.74 m
B. 1.6 × 10^5 m
C. 1.35 m
D. 6.25 × 10^-6 m

Light traveling in water, nwater = 1.33, strikes a plastic block at an angle of incidence of 51.4°; part of the beam is reflected and part is refracted. if the index of refraction of the plastic is 2.0, what is the angle made by the reflected and refracted beams?

Most of the volume of an atom is occupied by the

The ability to make things happen is also called a. heat b. force c. matter d. energy