ESAS · Question Bank

Physics

200 questions · page 7 of 10. Answer in your head first, then check the solution.

#121
What type of lens brings parallel light to a single real focal point?
AMagnifying lens
BConvergent lens
CDivergent lens
DMicroscopic lens
#122
Which one best describes the meniscus lens?
AIt has only concave surfaces
BIt has only convex surfaces
CIt has no concave surface and no convex surface
DIt has one concave surface and one convex surface
#123
In optical system, what refers to the ratio of the image height to the object height?
ALinear magnification
BObject magnification
CImage magnification
DHeight magnification
#124
If the linear magnification of an optical system is less than one, it means that:
Athe image and the object are of the same size
Bthe image is larger than the object
Cthe image is less than the object
Dthe image may be larger or smaller than the object
#125
A camera usually uses what type of lens to form an image on a light sensitive photographic film?
AMagnifying lens
BConvergent lens
CDivergent lens
DMicroscopic lens
#126
One of the common defects of vision is ______ commonly known as nearsightedness
Ahyporopia
Bhyperopia
Cmyopia
Dminorpia
#127
One of the common defects of vision is _______ commonly known as farsightedness
Ahyporopia
Bhyperopia
Cmyopia
Dminorpia
#128
What lens is commonly used to correct nearsightedness?
AMagnifying lens
BConvergent lens
CDivergent lens
DMicroscopic lens
#129
What lens is commonly used to correct farsightedness?
AMagnifying lens
BConvergent lens
CDivergent lens
DMicroscopic lens
#130
What is the defect of vision caused by the cornea having different planes?
AAstigmatism
BMyopia
CHyperopia
DPresbyopia
#131
In telescopes, what refers to the ratio between the angle subtended at the eye by the image and the angle subtended at the eye by the object seen directly?
AMagnifying power
BLinear magnification
CAngular magnification
DObject magnification
#132
What type of mirror that curves inward its center and converges parallel light to a single real focal point?
AConvex mirror
BConcave mirror
CSpherical mirror
DChromatic mirror
#133
What type of mirror that curves outward toward its center and diverges parallel light as though reflected light came from a single virtual focal point behind the mirror?
AConvex mirror
BConcave mirror
CSpherical mirror
DChromatic mirror
#134
What refers to an artificially made polarizing material that transmits light with only single plane of polarization?
AQuartz
BFiber optic
CPolaroid
DTourmaline
#135
In optical system, what refers to its ability to produce separate images of nearby objects?
ACoherent power
BBrewster's power
CPolarization power
DResolving power
#136
The resolving power of an optical system is ________ the objective lens of the optical system?
Adirectly proportional
Binversely proportional
Cequal
Dnot related to
#137
What refers to a series of parallel slits that produces a spectrum through the interference of light that is diffracted?
ADiffraction grating
BPolarization
CCoherent waves
DReflection
#138
The emission of electrons from a metal surface when light shines on it is called _________
AAbsorption effect
BSpectrum emission
CQuantum effect
DPhotoelectric effect
#139
What are high-frequency em waves emitted when fast electrons impinge on matter?
ABeta rays
BAlpha rays
CX-rays
DDe Broglie waves
#140
What refers to the increase in the measured mass of an object when it is moving relative to an observer?
AExclusion principle
BQuantum theory of mass
CState of mass
DRelativity of mass

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