A Rainbow is a spectrum of light that is caused by reflection, refraction and dispersion of light in water droplets. Rainbows consist of seven colors that are broken up from white sunlight in water droplets. These colors are Red, Orange, Yellow, Green, Blue and Violet.
Answer:
Fibre optic technology.
Explanation:
Fibre optic technology, as the name implies, uses light pulses to transmit data via strands of glass or plastic. It's the preferred technology for the government's National Broadband Network (NBN), which offers 100Mbps+ download speeds.
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An unknown gas has a pressure of 699.0 mm Hg at 40.0 C. What is the temperature at standard pressure ?
We have the following information:
P1 (initial pressure) = 699 mmHg
T1 (initial temperature) = 40 ºC (in Kelvin)
TK = TºC + 273.15 → TK = 40 + 273.15 → T1 (initial temperature) = 313.15 K
P2 (final pressure) = 1 atm (in STP) → P2 (final pressure) = 760 mmHg
T2 (final temperature) = ? (in Kelvin)
According to the Law of Charles and Gay-Lussac in the study of gases, we have an isochoric (or isovolumetric) transformation when its volume remains constant or equal, then we will have the following formula:
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Child A runs at 4.1667 meters per second and child B runs at 3.048 meters per sec. If they do not slow down Child A will be able to catch child B.
The formula of ionic compound made from sodium (Na) and iodine (l) is
NaI
<em><u>Explanation</u></em>
- An ionic compound is are compounds made up of ions.
- The ions are atoms or ions that loses electron to form cation or gain electron to form anion.
- Metal for this case loses electron while non metal gain electrons
- In Nal Na <em>( a Metal</em>) loses one electron while I <em>(non metal) </em>gain one electron to form an ionic compound.