A light wave has a frequency of 6.15x10^14 Hz. a. what is the wavelength of the light as it travels through a vacuum?
b. what color is this light?
c. what is the new speed of the light ray as it enters flint glass?
d. what is the new wavelength in flint glass?

Animals respond in various ways to stimuli detected through their senses. some of these responses are stimulated by the presence of danger. which of these animal responses is the best example of a response to an immediate threat? a) a rooster crows every morning at the first sign of light. b) as something approaches an octopus, it shoots a cloud of ink. c) from late fall until spring, bears hibernate to preserve energy. reactivate d) a dog is getting hot in the sunlight, so he moves to a shaded area.

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?

Which compound is held together by the electrostatic force between two ions? a. co2 b. cci4 c. h2s d. mgf2