Show:
Light
glass
Eyes
Random
Technology
100
The bending of light rays as they enter a new medium is called
What is refraction
100
a curved piece of glass or other transparent material that is used to refract light is called a
What is lens
100
the colored ring of muscle that controls the size of the pupil is called the
What is iris
100
what light bulbs glow when a filament inside it gets hot
What is incandescent
100
Global positioning Systems signals can tell you
What is your exact location on Earth
200
Which device uses lenses to focus light rays and record image of an object on photographic film.
What is camera
200
What instrument uses lenses or mirrors to collect and focus light from distant objects
What is telescope
200
the transparent front surface of the eye is called the
What is cornea
200
Why are lasers useful in surgery.
lasers incisions usually heal faster than scalpel cuts
200
Broadcasting stations can send their signalsaround the world using
What is television satellites
300
what happens when light passes from air to water
the light slows down
300
Because light rays never meet, a convex lens can produce
What is both real and virtual images
300
The signals generated by the rods and cones are carried to your brain by the
What is optic nerve
300
the Global Positioning System (GPS) was originally designed for use by
What is military
300
What type of waves do cellular telephones use to transmit and receive signals
What is microwaves
400
which light bulbs are coated on the inside with a powder
What is fluorescent
400
What type of light bulb is commonly used in advertising signs and decoration
What is neon
400
An image of a distant object caused by refraction of light is called a
What is mirage
400
On AM broadcasts, what remains constant
What is frequency
400
FM signals travel as changes in
What is frequency