Random
How does light reflect off a plane mirror?
What is directly back- no refraction or changing of direction.
What is opaque.
Which part of the eye is a hole?
What is the pupil.
Which color reflects all colors of light, and which absorbs all colors of light?
What is white. What is black.
What type of lens is used to correct far-sightedness?
What is a convex lens.
What is electromagnetic radiation?
What is a kind of radiation including visible light, radio waves, X-rays, etc. that emit energy through space.
When light bends as it goes through a new substance, it is called...
What is refraction.
Which part of the eye controls how much light enters?
What is the iris.
Which type of vision problem happens when light is focused in front of the retina?
What is nearsightedness.
Which lens is used to make objects appear smaller?
What is a concave lens.
Give an example of a natural and artificial source of light.
Answers may vary.
When light hits a smooth, shiny surface and bounces off in a predictable direction, this is called:
What is reflection?
What part of the eye sends messages to the brain?
What is the optical nerve.
The protective layer on the outside of the eye.
What is the cornea?
This type of lens is thicker in the middle and thinner at the ledges.
What is a convex lens
Which mirrors do not follow the law of reflection?
What is curved mirrors.
When white light passes through a prism and separates into different colours, this process is called:
What is dispersion?
Why does blurry vision occur?
When light rays do not fall directly on the retina.
When we see a red T-shirt, what colors are being reflected and which are being absorbed?
Red is being reflected, all other colors are absorbed.
Which type of mirror results in an upside down image?
What is concave mirror.
What has the highest frequency on the electromagnetic spectrum?
Gamma
What are the primary colors of light?
What is red, blue, and yellow.
Which is the part of the eye that detects light? It includes two types of specialized cells, what are they and what do they detect?
1. Retina
2. Rods and cones
3. Rods detect brightness, cones detect color.
What is the area called where vision comes to a focus?
What is the focal point.
Do light rays converge or diverge when reflecting off a convex lens?
What is converges.