Answer / divya

An X-ray picture is really a picture of the shadows cast by the denser materials (like bones) in your body.These shadows are projected onto a film that has been coated with a sensitive material.
X-rays have a wavelength in the range of 0.01 to 10 nanometers, corresponding to frequencies in the range 30 petahertz to 30 exahertz (3×1016 Hz to 3×1019 Hz) and energies in the range 120 eV to 120 keV

numerical aperture

1 Answers   ONGC,

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Magnetostriction is a phenomenon whereby the magnetisation of a ferromagnetic material leads to a change in

0 Answers   C DAC, CDAC,

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3 Answers  

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What is PLC ? What it does ? What are its components ? When & where we use PLC & How ? What are its Pros & Cons over other things ? What are the main faults that occur in it ? What are other devices that are similar to it and how we can compare them all ?

0 Answers   Pricol,

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What are the applications of a csi?

0 Answers  

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Define what happens to the conductivity of semiconductor with the rise in temperature? Compare with the conductivity of metals.

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I have applied for the post of Assistant Instrumentation Engneer in IOCL and need urgently IOCL sample paper please help me.

0 Answers   IOCL,

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0 Answers   DVC,

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Which microprocessor accepts the program written for 8086 without any changes?

1 Answers   College School Exams Tests, Siemens,

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5 Answers   ABC,

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connecting 2 transistor seriesly.In 1st trans base applying 5v then how the current will go.

1 Answers  

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