Test
Physics 2 Study Guide Part 2
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Preguntas del test (50)
1Electromagnetic waves are
- Alongitudinal and transverse
- Blongitudinal
- Ctransverse
- Dnone of the other answers given is correct
2An electromagnetic wave is propagating
towards the west. At a certain moment the
direction of the magnetic field vector
associated with this wave points vertically up.
What is the direction of the electric field
vector?- Avertical and pointing up
- Bhorizontal and pointing east
- Chorizontal and pointing north
- Dhorizontal and pointing south
- Evertical and pointing down
3Electromagnetic waves can be produced by
- Aelectric charges in accelerated motion
- Belectric charges at rest
- Celectric charges moving with constant velocity
- Dall of the previous answers are correct
- Enone of the previous answers is correct
4Which one of the following is the correct representation of the relationship between the speed of a wave (v), frequency of a wave (f), and its wavelength (λ)?
- Av=f*λ
- Bv=2f
- Cv=f/λ
- Dv=2λ
- Ev=λ/f
5Which one of the following is not an electromagnetic wave?
- Asound waves
- Bradio waves
- Cinfrared
- DUV
- Egamma rays
6Which one of the following is the correct order
of the electromagnetic spectrum from low to
high frequencies?- Aradio waves, infrared, X-rays,
microwaves, UV, visible, gamma rays - Bradio waves, microwaves, visible,
X-rays, infrared, UV, gamma rays - Cradio waves, microwaves, infrared,
visible, UV, X-rays, gamma rays - Dradio waves, infrared, microwaves, UV,
visible, X-rays, gamma rays - Eradio waves, UV, X-rays, microwaves,
infrared, visible, gamma rays
- Aradio waves, infrared, X-rays,
7Which one of the following is the correct
representation of the electromagnetic waves
from longer wavelength to shorter
wavelength?- Aradio waves, microwaves, infrared,
visible, UV, X-rays, gamma rays - Bradio waves, infrared, X-rays,
microwaves, UV, visible, gamma rays - Cradio waves, infrared, microwaves, UV,
visible, X-rays, gamma rays - Dradio waves, microwaves, visible,
X-rays, infrared, UV, gamma rays - Eradio waves, UV, X-rays, microwaves,
infrared, visible, gamma rays
- Aradio waves, microwaves, infrared,
8The transverse nature of electromagnetic
waves is apparent because- Athey are magnetic in nature
- Bthey are electric in nature
- Cthey can be polarized
- Dthey are electromagnetic
- Enone of the previous answers
9Which of the following expressions is correct for the transmitted intensity of an unpolarized beam of light with an intensity Ii passing through a polarizer?
- AIt=(1/2)Ii
- BIt=4Ii
- CIt=Ii
- DIt=(1/4)Ii
- EIt=It
10According to the law of reflection of light, the angle of incidence is
- Asmall than the angle of refection
- Bequal to the angle of reflection
- Cgreater than the angle of reflection
11Which of the following sets of characteristics describes the image formed by a plane mirror
- Areal and upright
- Breal and inverted
- Cvirtual and inverted
- Dvirtual and upright
- Eall of the previous statements can be correct
12The image formed in a plane mirror is
- Aat the same distance in front of the mirror
as the object is in front of the mirror. - Bat the same distance behind the mirror as
the object is in front of the mirror. - Cat a shorter distance in front of the mirror
than the distance that the object is in front
of the mirror. - Dat a shorter distance behind the mirror
than the distance the object is in front of
the mirror. - Eat a larger distance behind the mirror
than the distance the object is in front of
the mirror.
- Aat the same distance in front of the mirror
13The angle of reflection is the angle between
- Athe reflected ray and the surface of the mirror.
- Bthe incidence ray and the surface of the mirror.
- Cthe incident ray and the normal drawn at the point where this ray meets the mirror
- Dthe reflected ray and the incident ray
- Ethe reflected ray and the normal drawn at the point where this ray meets the mirror.
14How tall must a plane mirror be in order for you to be able to see your full image in it?
- A1/4 of your height
- Bthe same height as you
- Chalf of your height
- Dtwice your height
- E3/4 of your height
15The perpendicular distance from the center of curvature to a spherical mirror is called
- Athe radius of curvature
- Bthe focal length
- Cthe center of curvature
- Dthe perpendicular axis
- Etwice the radius of curvature
16The principal axis is the
- Astraight line joining any two points on the mirror
- Bstraight line drawn from the center of curvature to any point of the mirror
- Cstraight line drawn from the center of curvature to the midpoint of the mirror
- Dstraight line drawn from the center of curvature to a point on the outer edge of the mirror
- Enone of the other answers given is correct
17To burn a hole in a piece of paper using light from the sun, which mirror would work the best?
- Aconcave
- Bplane
- Cconvex
- Dall of the given answers would work equally as well
- Enone of the given answers would burn a hole
18Which of the following is a correct statement?
- AA convex mirror always produces a real image
- Ba concave mirror always produces a virtual image
- Ca concave mirror always produces a real image
- Da convex mirror always produces a virtual image
- Eall of the previous statements can be correct
19If the magnification of a mirror is negative which of the following is correct?
- Athe image is upright and the mirror is convex
- Bthe image is inverted and the mirror is concave
- Cthe image is inverted and the mirror is convex
- Dall of the previous answers can be correct
- Enone of the previous answers correct
20An object is placed in front of a convex mirror at a distance larger than twice the focal length of the mirror. The image will appear
- Ain front of the mirror
- Bupright and reduced
- Cinverted and reduced
- Dupright and enlarged
- Einverted and enlarged
21An object is placed in front of a convex mirror at a distance larger than twice the focal length of the mirror. The image will appear
- Abehind the mirror
- Binverted and enlarged
- Cupright and reduced
- Dupright and enlarged
- Einverted and reduced
22The image formed by a concave mirror when
the object is placed between the mirror and the
focal point has the following characteristics:- Avirtual, upright, reduced, image distance
is smaller than object distance - Breal, upright, enlarged, image distance is
larger than object distance - Cvirtual, upright, enlarged, image distance
is larger than object distance - Dvirtual, inverted, reduced, image distance
is smaller than object distance - Ereal, inverted, enlarged, image distance is
larger than object distance
- Avirtual, upright, reduced, image distance
23A beam of light that is parallel to the principal
axis is incident on a concave mirror. What
happens to the reflected beam of light?- AA beam of light that is parallel to the principal
axis is incident on a concave mirror. What
happens to the reflected beam of light? - BIt also is parallel to the principal axis
- CIt passes through the focal point of the mirror.
- DIt passes through the center of curvature of the mirror.
- EIt is perpendicular to the principal axis.
- AA beam of light that is parallel to the principal
24A beam of light that is parallel to the principal
axis is incident on a convex mirror. What
happens to the reflected beam of light?- AIt appears to be coming from the center
of curvature of the mirror. - BIt also is parallel to the principal axis.
- CIt is perpendicular to the principal axis.
- DIt appears to be coming from a point
between the focal point and the center of
curvature of the mirror. - EIt appears to be coming from the focal
point on the other side of the mirror.
- AIt appears to be coming from the center
25A beam of light in air is incident on a glass slab
at an angle of incidence Όi < 90°. After entering
the glass slab, the beam of light- Adoes not change its path
- Bbends closer to the normal drawn at the point of contact
- Cfollows the normal to the glass slab
- Dbends away from the normal drawn at the point of contact
26The critical angle for a beam of light passing
from water into air is 48.8°. This means that all
light rays with an angle of incidence greater
than this angle will be?- Apartially reflected and partially
transmitted. - Btotally polarized
- Ctotally transmitted
- Dabsorbed
- Etotally reflected
- Apartially reflected and partially
27Select which statement is correct in describing
the image formed by a thin lens of a real object
placed in front of the lens- Aif the image is real, then it is also upright
- BIf the image is real, then it is also enlarged.
- CIf the image is real, then it is also inverted
- Dif the lens in convex, the image will never be virtual.
28The lens in a person's eye is too think. The condition that this person has is called
- Achromatic aberration
- Bnearsightedness
- Cfarsightedness
- Dastigmatism
- Espherical aberration
29The back of a person's eye is too close to the lens. This person is suffering from
- Aspherical aberration
- Bastigmatism
- Cchromatic aberration
- Dfarsightedness
- Enearsightedness
30Nearsightedness can usually be correct with
- Adiverging lens
- Bcylindrical lens
- Cconverging lens
- Dspherical lenses
- Eachromatic lenses
31Farsightedness can usually be corrected with
- Aachromatic lenses
- Bspherical lenses
- Cdiverging lenses
- Dcylindrical lenses
- Econverging lenses
32What type of lens is a magnifying glass
- Aconverging
- Bachromatic
- Cdiverging
- Dspherical
- Ecylindrical
33A simple compound microscope provides large magnification by employing
- Aa short focal length objective and a short
focal length eyepiece. - Ba short focal length objective and a long
focal length eyepiece. - Ca long focal length objective and a long
focal length eyepiece. - Da long focal length objective and a short
focal length eyepiece.
- Aa short focal length objective and a short
34Which one of the following is a characteristic of a compound microscope?
- AThe eyepiece is a diverging lens.
- BThe image formed by the objective is virtual
- CThe image formed by the objective is real
- DThe final image is real
- EThe objective is a diverging lens
35Which one of the following is a correct statement?
- AThe image formed by the objective lens of
a telescope is larger than the object. - BThe image formed by the objective lens of
a microscope is smaller than the object. - CThe image formed by the eyepiece is real
for both a microscope and a telescope - DThe image formed by the objective lens of
a microscope is larger than the object.
- AThe image formed by the objective lens of
36A simple refracting telescope provides large magnification by employing
- Aa long focal length objective and a short
focal length eyepiece - Ba short focal length objective and a short
focal length eyepiece. - Ca long focal length objective and a long
focal length eyepiece. - Da short focal length objective and a long
focal length eyepiece.
- Aa long focal length objective and a short
37The deviation of a lens from its ideal behavior is referred to as a
- Aspherical aberration
- Bachromatic aberration
- Cchromatic aberration
- Dan aberation
- Enone of the other choices is correct
38Which one of the following properties of light is evidence of the wave nature of light?
- ARefraction of light
- BEmission of light
- CInterference of light
- DReflection of light
- EDispersion of light
39Two coherent light sources are characterized by
- Ahaving the same amplitude
- Bhaving the same wabelength
- Chaving the same velocity
- Dhaving the same frequency
- Ehaving the same frequency and maintaining a constant phase difference
40Two beams of coherent light travel different
paths arriving at point P. If the maximum
constructive interference is to occur at point P,
what should be the phase difference between
the two waves?- AThe phase difference between the two
waves is pi/4. - BThe phase difference between the two
waves is 2pi - CThe phase difference between the two
waves is 5pi/2 - DThe phase difference between the two
waves is pi/2 - EThe phase difference between the two
waves is pi
- AThe phase difference between the two
41Two beams of coherent light travel different
paths arriving at point P. If the maximum
destructive interference is to occur at point P,
what should be the phase difference between
the two waves?- AThe phase difference between the two waves is pi/2
- BThe phase difference between the two waves is pi/4
- CThe phase difference between the two waves is pi
- DThe phase difference between the two waves is 2pi
- EThe two waves are in phase
42Which one of the following experiments is the
justification for the wave theory of light?- AHuygens' experiment
- BFrank-Hertz experiment
- CYoung's double slit experiment
- DNewton's rings experiment
- Enone of the above
43In Young's two-slit experiment, a beam of
light from a slit reaches at a point on the screen
one wavelength behind the wave from the
other slit. What is observed on the screen at
that point?- ABright fringe
- BDark fringe
- CDark-bright fringe
- DBright-dark fringe
- Ean empty spot
44If the distance between the slits in Young's
two-slit experiment is decreased, which one of
the following statements is true of the
interference pattern?- AThe distance between the minima stays
the same - BThe distance between the maxima stays
the same - CThe distance between the maxima
decreases. - DThe distance between the minima
increases - EImpossible to tell without knowing the
wavelength of light in use.
- AThe distance between the minima stays
45If the distance between the slits and the screen
is increased in Young's two-slit experiment,
which one of the following statements is true
of the interference pattern?- AThe distance between the maxima stays
the same - BThe distance between the minima stays
the same - CThe distance between the maxima
increases - DThe distance between the minima
decreases - EImpossible to tell without knowing the
wavelength of light in use
- AThe distance between the maxima stays
46If the wavelength of light in Young's two-slit
experiment is decreased, which one of the
following statements is true of the interference
pattern?- AThe distance between the maxima
decreases. - BThe distance between the minima stays
the same - CThe distance between maxima stays the
same - DThe distance between the maxima
increases - EImpossible to tell without knowing the
separation between the slits.
- AThe distance between the maxima
47In a single-slit diffraction experiment, the
width of the slit through which light passes is
reduced. What happens to the central bright
fringe?- AIt becomes wider.
- BIt becomes narrower
- CIt stays the same
- DWe must know the wavelength of the light to answer
48A single-slit diffraction pattern is formed on a
distant screen. Assuming the angles involved
are small, by what factor will the width of the
central bright spot on the screen change if the
wavelength is doubled?- AIt will be cut in half
- BIt will become eight times as large
- CIt will double
- DIt will be cut to one-quarter its original size
- EIt will become four times as large
49A single-slit diffraction pattern is formed on a
distant screen. Assuming the angles involved
are small, by what factor will the width of the
central bright spot on the screen change if the
slit width is doubled?- AIt will become eight times as large.
- BIt will be cut to one-quarter its original
size - CIt will double.
- DIt will become four times as large.
- EIt will be cut in half.
50A single-slit diffraction pattern is formed on a
distant screen. Assuming the angles involved
are small, by what factor will the width of the
central bright spot on the screen change if the
distance from the slit to the screen is doubled?- AIt will be cut to one-quarter its original
size - BIt will be cut in half
- CIt will become eight times as large
- DIt will become four times as large
- EIt will double
- AIt will be cut to one-quarter its original
Información
- Descripción
- 12th grade Physics Test sobre Physics 2 Study Guide Part 2, creado por mark meters el 12/12/2016.
- Autor
- mark meters
- Idioma
- English
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