Physical Science - Exam 1a

Who determined that light consists of two transverse waves oscillating at right angles to each other?

• James Clark Maxwell
• Heinrich Hertz
• Albert Einstein
• Sir Isaac Newton

What causes rays of light passing through it to bend outward or diverge

• concave lens

• convex lens

• concave mirror

• convex mirror

Who demonstrated the existence of invisible electromagnetic waves?

• Heinrich Hertz
• James Clark Maxwell
• Albert EInstein
• Sir Isaac Newton

Which mirror has a reflecting side on the inside of the spherical surface

• concave
• convex

What is the phenomenon where light above a certain frequency knocks electrons loose from atoms of certain metals?

• photoelectric effect
• irridesence
• mirage
• scintillation

What are the three additive primary colors?

• Red, Green, Blue
• Red, Yellow, Blue
• Cyan, Yellow, Magenta
• Cyan, Orange, Purple

What is a mixture of all the colors of light?

• white
• black
• red
• ultraviolet

What is a semicircular arc of colored bands of light that forms in the sky when millions of airborne water droplets act like tiny prisms?

• rainbow
• prism arc
• node
• mirage

What is the absence of color?

• black
• white
• infrared
• violet

What is the name of the three colors of light that can be mixed to create the illusion of almost any color?

• additive primary colors
• subtractive primary colors