AVIXA Video 1: Essentials All Possible Questions and Answers with complete solution

160 degrees - The visual field of the human eye is _____ wide. 160 degrees 135 degrees 90 degrees 200 degrees AV equipment allows for adjusting the "whiteness" for optimal display. - Why is color temperature awareness important in the AV industry? The AV industry strives to set the standard for "whiteness." AV equipment allows for adjusting the "whiteness" for optimal display. People expect exact "whiteness" when viewing a display. "Whiteness" is subjective with ever changing definitions. reflected - A spot meter is used to take _____ light measurements. incident task reflected projected ellipsoidal spotlight - Which of the following stage lighting instruments provides pattern projection capabilities? PAR64 pan and tilt lighting ellipsoidal spotlight adjustable mood lightingPAR - Which of the following stage lighting instruments is used to wash large areas of a stage? PAR gobo barn door ellipsoidal red, blue, and green - What are the primary colors of light? red, blue, and white red, blue, and green red, blue, and yellow red, blue, and black incident and reflected - What are the two types of light meters? reading and walking directed and measured projected and monitored incident and reflected wavelength - Different colors of light vary in _____. proportion wavelength intensity chromaticity three - How many dimensions does color space posses? twofive three four lamp - The source or bulb of the light output is called a _____. display lamp fixture mounting spreads out - Light energy _____ the farther you get from the source. remains the same spreads out changes color intensifies rods - Which part of the eye enables people to see at night? retina iris rods cones has a different tint - The different distributions of white light sources means that each white light _____. is perceived in different ways has a different tint is exactly the same illuminates the same waywavelength - Light waves are categorized by their _____. vectors spectrum visibility wavelength a candle - What did people first use as a standard to quantify visible light? the sun a match the full moon a candle Wavelength - _____ is the distance in meters between two corresponding points of two consecutive cycles. Magnitude Frequency Wavelength Amplitude iris - Which of the following is the colored part of the eye? lid lens cornea iris waves of energy - For most audiovisual applications, it is helpful to think of light as _____. electromagnetic signals small particles higgs bosonswaves of energy frequency - Which of the following describes the number of cycles in a given time period? amplitude wavelength magnitude frequency saturation - The word "chroma" is sometimes used for the _____ of each hue. darkness brightness saturation value 75% - Perceived illumination decreases by _____ when the distance from a light source is doubled. 75% 25% 50% 95% Illumination - The _____ of a surface varies inversely as the square of its distance from a light source. dispersion Illumination size brightnessELS or Ellipsoidal Reflective Spotlight - Which of the following stage lighting instruments is used as a spotlight? Parabolic Aluminized Reflector Light ELS or Ellipsoidal Reflective Spotlight Pan and tilt lighting PAR64