Answer:
The speed of the laser light in the cable,
Explanation:
It is given that,
Wavelength of Argon laser,
Refractive index, n = 1.46
Let is the speed of the laser light in the cable. The speed of light in a medium is given by :
or
So, the speed of the laser light is . Hence, this is the required solution.
Backlighting is used to create silhouettes
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At the top of the noble gases<span> is little helium (He), with a shell </span>that<span> is full with only two electrons. The fact </span>that<span> their outer shells are full means they are </span>quite<span> happy and don't need to react with other elements. In fact, they rarely combine with other elements. </span>That non-reactivity<span> is why they are called </span>inert<span>.</span>
Answer:A
Explanation: number that shows the total atomic mass of the substance