light Flashcards
what are objects called which create light and an example
luminous sources for example the sun
what does light travel through
transparent objects and it does not travel through opaque
why are shadows created
because light can not travel through opaque objects
what happens to translucent objects when light travels through them
they glow
what does light travel in
straight lines
what happens to light rays when they hit a rough surface
the light rays are scatted and a reflection cannot be seen
what is a flat mirror called
a plane mirror
what happens when light hits a plane mirror
it is reflected evenly and a reflection can be seen
what is the angle of incidence equal to
the angle of reflection
what is the angle of reflection equal to
the angle of incidence
when light shines on a object in the mirror where are the rays reflected
into the eye
what is the image in the mirror compared to the real life image
it is the same size, same distance from the mirror, right is left and left is right
what does light do when it hits something transparent
it changes direction and bends towards to normal and slows down while it is inside the transparent object
where does refraction take place
at the interface between two substances
what is white light
it is a mixture of colours
