Chapter 8.1 Flashcards
Who discussed the colors and properties of light in his book “Opticks”?
Sir Isaac Newton
What is the idea that light is a stream of tiny particles emitted by a light source?
Particle theory of light
Which Dutch physicist proposed the wave theory of light?
Christian Huygens
What Scottish physicist demonstrated that light consists of two transverse waves oscillating at right angles to each other?
James Clerk Maxwell
Which physicist demonstrated the existence of invisible electromagnetic wave?
Heinrich Hertz
What phenomenon occurs when light above a certain frequency can knock electrons loose from atoms of certain metals?
Photoelectric effect
What is the theory that states that light has both a wave nature and a particle nature?
Quantum theory of light
What are tiny bundles or packets of energy called?
Photons
What are electromagnetic waves that the human eye can see?
Visible light
What six colors compose the visible spectrum?
Red, orange, yellow, green, blue, violet (ROY G. BV)
What is a mixture of colors of light?
White
What is a less-intense white light?
Gray
What is the absence of color?
Black
What are the three additive primary colors?
Red, green, blue
What are the three subtractive primary colors?
Magenta, cyan, yellow
