Physics Chapter 14 Multiple Choice

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which pair of sunglasses is best suited for automobile drivers? The transmission axes are shown by straight lines on the lenses(Hint: The light reflects off the hood of the car)

C, the pair of sunglasses with straight line lenses

which letter in the diagram below(concave mirror) represents the position of the real image of object X?

P

the relationship between frequency, wavelength and speed holds for light waves because

all forms of electromagnetic radiation travel at a single speed in a vacuum

if you know the wavelength of any form of electromagnetic radiation, you can determine its frequency because

all wavelengths travel at the same speed

what color does yellow pigment subtract from white light?

blue

when red light is compared with violet light

both travel at the same speed

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 suface

what type of reflection is illustrated in the figure above?

defeused reflection

which factor does not determine the focal length of a lens?

index of refraction

which portion of the electromagnetic spectrum is used in an aircraft navigation?

microwaves

the focal point and center of curvature of a spherical mirror all lie along the

principal axis

which portion of the electromagnetic spectrum is used in a television?

radio waves

what color does blue pigment subtract from white light?

red

which pair of characteristics describe the images formed by convex mirrors?

reduced and erect

when a straight line is drawn perpendicular to a flat mirror at a point where an incoming ray strikes the mirror's surface, the angles of 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 the 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

what occurs when beams of light of three primary colors are combined?

they form white light

in a vacuum, electromagnetic radiation of short wavelengths

travels as fast as radiation of long wavelengths

which portion of the electromagnetic spectrum is used to identify fluorescent minerals?

ultraviolet light

which portion of the electromagnetic spectrum is used to sterilize medical instruments?

ultraviolet light

when the reflection of an object is seen in a flat mirror, the image is

virtual and upright

in the diagram above (concave mirror) the image of object B would be

virtual, enlarged and upright

in the diagram above (convex mirror) the image of object B would be

virtual, reduced and upright

which of the following best describes the image produced by a flat mirror?

virtual, upright, and magnification equal to one

which portion of the electromagnetic spectrum is used in a microscope?

visible light

when red light and green light shine on the same place on a piece of white paper, the spot appears to be

yellow

if the image of a curved mirror is 1/2 the object distance, the the image size will be______ the object size.

1/2

if a light 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 52 degrees from the normal, the reflected ray will be

52 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 of

60 degrees from the mirror's surface

which letter in the diagram below(Convex) represents the virtual image of object X?

A

which letter in the digram below(Flate Mirror) correctly indicates the position of the image for object X formed by a plane mirror?

A


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