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

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

1 Answer

Answer :

c) ophthalmology
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The practical application of electrostatic is: (a) Photocopier (b) X-rays machines (c) Laser (d) All of above 42. The electric field lines emerge from the charges in: (a) Three dimensions (b) Two dimensions (c) One dimension (d) All of above

Description : The practical application of electrostatic is: (a) Photocopier (b) X-rays machines (c) Laser (d) All of above 42. The electric field lines emerge from the charges in: (a) Three dimensions (b) Two dimensions (c) One dimension (d) All of above

Last Answer : (a) Photocopier

Some of the other fields of study that affect management theory or practice include: (a) Political science, philosophy, anthropology and sociology (b) Zoology, psychology, sociology and philosophy. (c) Anthropology, astrology, political science and psychology. (d) Political science, sociology, typography and economics.

Description : Some of the other fields of study that affect management theory or practice include: (a) Political science, philosophy, anthropology and sociology (b) Zoology, psychology, sociology and ... astrology, political science and psychology. (d) Political science, sociology, typography and economics.

Last Answer : (a) Political science, philosophy, anthropology and sociology 

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

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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 discharge tube, neon gas is a) 85% b) 15% c) 75% d) 45%

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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 Helium-neon Laser discharge tube, helium gas is a) 15% b) 85% c) 75% d) 35%

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Common type of Laser used in physics laboratories is a) hydrogen neon Laser b) helium-neon Laser c) carbon neon Laser d) argon neon laser

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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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What is the difference between optometry and ophthalmology?

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Ophthalmology & Dentistry?

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It is the science of measuring only light waves that are visible to the human eye. ∙ A. Radiometry ∙ B. Photometry ∙ C. Ophthalmology ∙ D. Optometry

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A conductor of length L has current I passing through it, when it is placed parallel to a magnetic field. The force experienced by the conductor will be (a) zero (b) BLI (c) B2LI (d) BLI2

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The left hand rule correlates to (a) current, induced e.m.f. and direction of force on a conductor (b) magnetic field, electric field and direction of force on a conductor (c) self induction, mutual induction and direction of force on a conductor (d) current, magnetic field and direction of force on a conductor

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When an iron piece is placed in a magnetic field (a) the magnetic lines of force will bend away from their usual paths in order to go away from the piece (b) the magnetic lines of force will bend away from their usual paths in order to pass through the piece (c) the magnetic field will not be affected (d) the iron piece will break

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Which of the following is a vector quantity ? (a) Relative permeability (b) Magnetic field intensity (c) Flux density (d) Magnetic potential

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A wire loop is moved parallel to a uniform magnetic field. The induced emf in the loop: a. depends on the shape b. depends on area c. depends on nature of loop d. zero

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When a uniform magnetic field B is applied to a current carrying coil, the coil will rotate in such a manner that its plane a) becomes parallel to B b) becomes anti-parallel to B c) makes an angle of 600 with B d) becomes perpendicular to B

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An α particle moves perpendicular to a constant magnetic field of strength 1.2 T in a circular path of radius 0.7 m. The speed of α particle in ms-1 is ______________ a) 2.7 × 107 b) 2.6 × 107 c) 3.2 × 107 d) 2.0 × 107

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A current of 5.8 A flows through a 0.25 m long straight conductor which is kept perpendicular in a region of uniform magnetic field of 3.7 T . The force on conductor is a) 5.4 N b) 2.4 N c) 3.4 N d) 6.4 N

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The magnetic field is _________ inside a solenoid a) Zero b) uniform c) non-uniform d) infinite

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