A Microscope Uses A Combination Of To Magnify An Image

Question: a microscope uses a combination of ? to magnify an image
Answer: lenses
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Question: a type of image that cannot be viewed directly is called a(n) ? image
Answer: virtual
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Question: a(n) ? microscope consists of two lenses mounted at each end of a hollow tube
Answer: compound
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Question: the lens closest to the specimen is called the ?
Answer: objective lens
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Question: the lens nearest the viewer's eye is called the ?
Answer: eyepiece or ocular lens
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Question: the image seen through a compound microscope is (virtual,real)
Answer: virtual
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Question: t or f the coarse and fine adjustments are part of the microscopes mechanical system
Answer: true
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Question: a transparent specimen is viewed through a microscope using a ? light
Answer: transmitted
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Question: an opaque object requires ? illumination for viewing with a microscope
Answer: vertical or reflected
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Question: a(n) ? collects light rays from the base Illuminator and concentrates them on the specimen
Answer: condenser
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Question: a microscope that remains in focus regardless of which objective lens is rotated into place is ?
Answer: parfocal
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Question: a microscope with only one eye piece is? one with two eyepieces is?
Answer: monocular binocular
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Question: each microscope lens is inscribed with a number signifying its ?
Answer: magnifying power
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Question: an eyepiece lens of 10x used in combination with an objective lens of 20x has a total magnification power of ?
Answer: 200x
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Question: the ability of an objective lens is to resolve details into separate images is directly proportional to its ?
Answer: numerical aperture
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Question: the size of the specimen area in view in known as the ?
Answer: field of view
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Question: as magnification increases the field of view (increases,deceases)
Answer: decreases
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Question: the thickness of a specimen in view is known as the ?
Answer: depth of focus
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Question: the depth of focus (increases,decreases)with increasing magnification
Answer: decreases
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Question: a side by side view of 2 specimens is best obtained with the ? microscope
Answer: comparison
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Question: t or f a bridge is used to join 2 independent objective lenses into a single binocular unit to form a comparison microscope
Answer: true
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Question: two monocular compound microscopes properly spaced and aligned describe the ? microscope
Answer: stereoscopic
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Question: t or f the stereoscopic microscope is the least frequently used microscope in a typical crime laboratory
Answer: false
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Question: the stereoscopic microscope offers a large ? between the objective lens and the specimen
Answer: working distance
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Question: light confined to a single plane of vibration is said to be ?
Answer: plane polarized
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Question: if a polarizer and analyzer are placed (perpendicular,parallel to each other, no light penetrates
Answer: perpendicular
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Question: the ? microscope allows a viewer to detect polarized light
Answer: polarizing
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Question: crystals that are ? produce 2 planes of polorized light each perpendicular to each other
Answer: birefringent
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Question: by using the ? one can view a particle under a microscope while a beam of light is directed at the particle in order to obtain its absorption spectrum
Answer: microspectrophotometer
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Question: the ? microscope focuses a beam of electons on a specimen to produce an image
Answer: scanning electron
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Question: when a beam of electrons strikes a specimen ? are emitted whose energies correspond to elements present in the specimen
Answer: x rays
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