Mirrors

What is a Mirror?

glass with a thin, reflective film behind it, cannot see clearly

What is a Plane Mirror?

a completely flat mirror

What is a Virtual Image?

an image that appears behind a mirror because reflected rays are traced backward, even though no light actually comes from behind the mirror

What is a Real Image?

an image formed when light is actually arriving at the image location

An image in a Plane Mirror is always (SALT)…

same size, upright but laterally inverted, behind the mirror and virtual image

What are the two types of Curved mirrors and their differences?

concave mirror bends in like a cave and convex bends out

How are light rays reflected in a Concave Mirror? (2 rules)

a light ray parallel to the principal axis must reflect through the focal point, an incident light ray through the focal point will always reflect parallel to the principal axis

The image from a Concave Mirror is always…

inverted and real

How are light rays reflected in a Convex Mirror?

we always trace the reflected ray back

The image from a Convex Mirror is always?

smaller, upright and virtual

What is the Acronym SALT - S?

size compared to the object, it is same size, smaller or larger

What is the Acronym SALT - A?

attitude which way the image is oriented compared to the object, it is upright or inverted

What is the Acronym SALT - L?

location of an image

What is the Acronym SALT - T?

type of image it is real or virtual