Details Title: chapter 19 *light* Description: vocabulary flash cards Total Flash Cards: 30 Created: 05/28/2009 19:49:22		New Users: To study from this flashcard set, or to create your own your own study flash cards, REGISTER HERE. Existing Users: CLICK HERE. Additional Physics Flashcards
Cards in this set: Term electromagnectic spectrum Definition range of electromagnetic waves Term visible spectrum Definition seven colors that make up the white light Term light Definition form of electromagnetic energy made up of streams of photons Term photons Definition tiny bundle of energy Term ray Definition straight line that shows the direction of light Term transverse wave Definition wave in which the particles of the medium move uo and down at right angles to the direction of the wave motion Term luminous object Definition object that gives off its own light Term illuminated object Definition object that reflects light Term opaque Definition material that blocks light Term transparent Definition material that transmit s light easily Term translucent Definition material that transmits some light Term photosynthesis Definition process by which plants use energy from the sun t make food Term chlorophyll Definition substance in pants that absorbs the suns light and gives plants their green color Term chloroplast Definition part of green plant cells where photosynthesis takes place Term lens Definition transparent material that bends light Term real image Definition image tha cannot be projected onto a screen Term virtual image Definition image that cannot be projected nto a screen Term convex lens Definition lens that curves outward Term concave lens Definition lens that curves inward Term eye Definition sense organ that detects light Term sight Definition one of the human sense Term image Definition picture formed by the eye Term regular reflection Definition reflection that forms a clear image Term diffuese reflection Definition reflection that forms a fuzzy image Term plane mirror Definition smoooth surface that reflects light and forms images Term prism Definition triangular piece of transparent glass that separets white light into a band of colors Term depersion Definition separation of white light into its component colors Term laser Definition device that produces a powerful beam of light Term total internal reflection Definition occurs when light is repeatedly reflects whithin a given material Term fiber optics Definition use of optical fibers