when you put a straight wooden stick in a glass of water, you notice that it looks bent.
What is refraction
100
this type lens would cause ray diversion when light passed through it?
What is concave lenses.
100
Light spreads out, also called _____.
What is radiation.
100
light travels as a _________ not a stream of particles.
What is waves.
100
In a telescope or microscope, the first lens that you look through that magnifies the image.
What is eyepiece lens.
200
on a plane mirror, when a single ray of light beam hits the mirror what will you know about the angle of the reflective ray and the incident ray in relation to the normal line?
What is the same.
200
you are near sighted. You need this type of lens to correct your vision.
What is concave lenses.
200
An light bulb that emits light by heating up to high temperatures.
What is incandescent light bulb.
200
a laser light gives off ________ light because all the light rays have the same frequency/wavelength.
What is coherent.
200
the _______ is the opening in the eye that allows light to enter.
What is pupil.
300
in a _______mirror, when you look into it, unless from a close distance, your image is backwards.
What is concave.
300
When you see something, the light refracts through the lens onto a light sensitive area at the back of your eye called ______.
What is retina.
300
The persistent emission of light after exposure and removal of another light source.
Hint: Glows-in-dark.
What is phosphorescence.
300
an incandescent light bulb gives of many frequencies and wavelengths of light. These waves work against each other, such light is called _______.
What is incoherent.
300
a _______ is a single line or marrow beam of light that originates from a light source and that may bounce off any surface that it strikes.
What is ray.
400
the diaphragm of a camera is like the ______ of an eye.
What is iris.
400
A surface that scatters, bends and/or refracts light.
What is translucent.
400
_______ is used for many purposes, supermarkets use this to read barcodes, it can read CDs or carry information.
What is laser.
400
_______ is the number of cycles completed by a vibrating object in a period of time.
Hint: Usually given in cycles per second or Hertz.
What is frequency.
500
Rough reflective surfaces and plane reflective surfaces reflect in the _____ way.
What is same.
500
the triangular prisms in prism binoculars act as ________.
What is plane mirrors.
500
light always travels this way until it hits a barrier or object.
What is straight.
500
LASER stands for _______.
What is Light Amplification by the Stimulated Emission of Radiation.
500
In a wave,the _______is the height of the crest or the depth of the trough from rest position.