Reflection/Refraction
When a ray of light hits a plane mirror and it bounces off at exactly the same angle.
What is the Law of Reflection?
An optical device that lets light pass through and converges or diverges it.
What is a lens?
What are the 3 types of mirrors?
Plane
Convex
Concave
brightness of light.
What is intensity?
Name the 7 colours of the rainbow:
Red, orange, yellow, green, blue, indigo, violet
When light hits an uneven surface and reflects at a different angle.
What is a reflection of a rough surface?
Curves outward and is thicker in the middle.
What is a Reflecting Telescope
Diagram used to show how light travels.
What is a ray diagram?
How does light travel?
Waves/straight lines
Angle between the incident ray and normal
1. Can act as a light collector.
2. Forms a real image.
What are convex lens useful for?
A type of mirror used in washrooms.
What is a plane mirror?
Aluminum foil isn't considered luminous because it cannot glow on its own. But it can reflect light. What type of object is it?
Non-luminous
People need ____________ to see.
light
The bending of light when it travels to another object.
What is refraction?
What type of lens does the human eye have?
Convex
When an object is far from the focal point, the image will be upside down.
What is a concave mirror?
The moon is a ______ object.
What is non-luminous?
Plants turn light energy from the sun into food. This is called what?
Photosynthesis
What is angle of reflection?
Why do animal eyes glow in the dark?
Tapetum Lucidum
Ray of light that arrives at the mirror
What is incident rays?
Light travels at ________ km/s
This scientist considered "Father of Modern Optics" discovered that light bounces off objects and then travels to the eye. Who is he?
Al-Haytham