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And Then There Was Light

Created by drbabe

Fun Trivia : Quizzes : Electromagnetic Spectrum and Optics
And Then There Was Light game quiz
"Visible light is a very small band within the electromagnetic spectrum. Physicists consider the entire spectrum to be light. How much do you know about light?"

15 Points Per Correct Answer - No time limit  



1. Red light has a wavelength of about 700 nm. What is this measurement in meters?
    0.0000007 meters
    0.00000000007 meters
    0.000000007 meters
    700 meters


2. What is the interaction of light with matter called?
    aerodynamics
    mechanics
    optics
    materials science


3. When light passes from one medium to another it often bends. What is this bending called?
    calefaction
    diffraction
    refraction
    reflection


4. What type of electromagnetic waves can have wavelengths on the order of meters?
    TV and radio waves
    x-rays
    Gamma rays
    microwaves


5. What type of radiation is used in radiography?
    ultrasound
    gamma rays
    x-rays
    microwaves


6. How do microwaves cook food?
    Transmutation
    Conduction
    Excitation of water molecules
    Convection


7. What is another name for heat?
    Infrared radiation
    Ultrasound
    Ultraviolet radiation
    Gamma radiation


8. What is the quantity that is the rate that a body radiates per unit time?
    luminance
    luminosity
    illumination
    lustrousness


9. What is the speed of light in the centimeter-gram-second(cgs)system?
    30,000,000,000 cm/second
    1 billion miles per second
    186,000 miles per second
    500,000 meters per second


10. Which of the following technologies does not use electromagnetic radiation?
    sonar
    microscopy
    radar
    fiber optical telephony


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Compiled Dec 30 14