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4 years ago

8

Which are uses of fiber optics? Check all that apply.

2 answers:

sleet_krkn [62]4 years ago

8 0

Answer:

Fiber optics are used for the transmission of telephone signals, examination of internal body parts and for decoration purposes, such as lamps.

Explanation:

Fiber optics is an optical system where light (often from a laser) is passed through a fiber optic cable. This cable has a core made of very clean glass or plastic. It can be from several millimeters in diameter to a fraction of the thickness of a hair strand.

Fiber optic cables are widely used in telecommunications, as a waveguide, especially when the bandwidth requirement is high. Fiber optic cables have little cushioning, compared to communications cables made of copper. Optical cables are also used when the signals are to be transported over long distances.

Optical systems are also used for lighting and sensors. In medical science, fiber optic systems are extensively used to bring light into hard-to-reach cavities, and to bring the image out to the examiner / surgeon both during examinations and during surgical procedures.

RideAnS [48]4 years ago

4 0

Answer:

Transmission of telephone signals

Explanation:

Fiber optics are used for the transmission of telephone signals.

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4 years ago

125.010 CL<br> 4.1023 CL<br> – 0.30 CL

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3 years ago

If with steady-state heat flow established, you double the thickness of a wall built from solid uniform material, the rate of he

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A) Become 1/ 2 of its original value.

B) Become one-half of its original value.

Explanation:

As we know that heat transfer trough the wall of thickness t given as

$Q=KA\dfrac{\Delta T}{t}$

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K=Thermal conductivity of the wall

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ΔT=temperature difference across the wall surfaces.

When the thickness become double ,lets sat t' = 2 t

Then new heat transfer

$Q'=KA\dfrac{\Delta T}{t'}$

$Q'=KA\dfrac{\Delta T}{2t}$

$Q'=\dfrac{Q}{2}$

Therefore the new heat transfer become half of the original.

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4 years ago