Laser beams can generate three dimensional images of objects in a process called a) polygraphy b) telegraphy c) holography d) autography

Laser beams can generate three dimensional images of objects in a process called
a) polygraphy b) telegraphy c) holography d) autography
by

1 Answer

Answer :

c) holography
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Holography is a technique of (1) recording a permanent, sharp two diimensional black and white or multicolour photograph (2) recording a permanent three dimensional multicolour photograph (3) recording a permanent three dimensional black and white photograph (4) recording a permanent three dimensional photograph of a given single colour or a multicolour

Description : Holography is a technique of (1) recording a permanent, sharp two diimensional black and white or multicolour photograph (2) recording a permanent three dimensional multicolour photograph (3) ... (4) recording a permanent three dimensional photograph of a given single colour or a multicolour

Last Answer : recording a permanent three dimensional photograph of a given single colour or a multicolour

Coherence of laser light is important for _________ ∙ a. Light propagation ∙ b. Getting laser light to pass through air ∙ c. Drilling holes ∙ d. Holography

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Three dimensional CAT Scans reveal the cyst called ______ within the skull. a) arachnoid cyst b) epidermoid cyst c) ganglion cyst d) chalazia cyst

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A smallest three dimensional part of a crystal lattice is called. a) A particle b) A molecules c) A unit cell d) An atom

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A three dimensional image is obtained by a)Electron microscope b) Scanning electron microscope c) Magnetic imaging d)None of these

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___________ remain undeflected in a magnetic field a) β particles b) α particles c) γ rays d) Proton beams

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Laser is the acronym for a) Light Amplification by Stimulated Emission of Radiation b) Light Amplification by Spontaneous Emission of Radiation c) Light Amplified by Stimulated Emission of Radiation d) Light Amplification by Standard Emission of Radiation

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Laser technology has been widely used in the field of a) neurology b) astrology c) ophthalmology d) psychology

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Red Laser light has a wavelength of a) 630.8 nm b) 630 cm c) 632.8 nm d) 639.9 nm

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In Helium-neon Laser, in meta stable state, helium is located at the energy level: a) 20.66 eV b) 20.77 eV c) 20.61 eV d) 20.71 eV

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In the phenomenon of Laser production, atom can reside in the meta stable state for a) ~ 10-3 s b) ~ 10-8 s c) ~ 10-4 s d) ~ 10-10 s

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In the phenomenon of Laser production, atom can reside in the excited state only for a) 10-6 s b) 10-7 s c) 10-8 s d) 10-9 s

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Three dimensional image formed by laser is called _____. A. Photograph B. Hologram C. Two dimensional sketch D. Photocopy

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Process Who Say ?

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