Light and Reflection
If a ray strikes a flat mirror at an angle of 14 degrees from the normal, the reflected ray will be...
14 degrees from the normal
If a light ray strikes a flat mirror at an angle of 27 degrees from the normal, the reflected ray will be..
27 degrees from the normal
If a light ray strikes a flat mirror at an angle of 30 degrees from the normal, the ray will be reflected at an angle..
30 degrees from the mirror's surface
If a light ray strikes a flat mirror at an angle of 61 degrees from the normal, the reflected ray will be..
61 degrees from the normal
When two parallel mirrors are placed so that their reflective sides face one another,____ images form. This is because the the image in one mirror becomes the ___ for the other mirror.
Multiple; object
Is used in a television?
Radio waves
A parabolic mirror, instead of a spherical mirror, can be used to reduce the occurrence of which effect?
Spherical aberration
In the diagram below, the image of object B would be?
Virtual, enlarged, and upright
The relationship between frequency, wavelength, and the speed holds for light waves because..
all forms of electromagnetic radiation travel at a single speed in a vaccum.
When incoming rays of light strike a flat mirror at an angle close to the surface of the mirror, the reflected rays are
close to the mirror's surface
Snow reflects almost all of the light incident upon it. However, a single beam of light is not reflected in the form of parallel rays. This is an example of ____ reflection off of a ___ surface.
diffuse; rough
When the transmission axis is perpendicular to the plane of polarization for the light,
no light passes through
If you looked at a light through the lenses from two polarizing sunglasses that were overlapped at right angles to one another..
none of the light would pass through
What color does blue pigment subtract from white light?
red
When a straight line is drawn perpendicular to a flat mirror at the point where an incoming ray strikes the mirror's surface, the angles on incidence and reflection are measured from the normal and.
the angles of incidence and reflection are EQUAL
When the reflection of an object is seen in a flat mirror, the distance from the mirror to the image depends on..
the distance from the object to the mirror
The farther light is from a source
the more spread out light becomes
The image of an object in a flat mirror is always..
the same size as the object
Is used to sterilize medical instruments?
ultraviolet light
Describes the image of a concave mirror when the object's distance from the mirror is less than the focal-point distance?
virtual, upright, and magnification greater than one
