What is LiFi and what is Li-Fi ?

What is LiFi and what is Li-Fi ?
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1 Answer

Answer :

The full form of Li -Fi in general is Light Fidelity, a two-way , high-speed, and completely wireless wireless communication technology similar to Wi-Fi. It works at about 100 times faster than Wi-Fi , reaching 224 gigabytes per second so far .
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Related questions

What is the Li-Fi Technology ? -Technology

Description : What is the Li-Fi Technology ? -Technology

Last Answer : LiFi (light fidelity) is a bidirectional wireless system that transmits data via LED or infrared light. It was first unveiled in 2011 and, unlike wifi, which uses radio frequency, LiFi technology only needs a light source with a chip to transmit an internet signal through light waves.

Regarding LiFi choose the correct statement i) LiFi uses visible light to transmit data ii) Visible light spectrum is larger than the radio spectrum -General Knowledge

Description : Regarding LiFi choose the correct statement i) LiFi uses visible light to transmit data ii) Visible light spectrum is larger than the radio spectrum -General Knowledge

Last Answer : Both i and ii Explanation: Li-Fi uses visible light. This indicates that Li-Fi has a wider range of available frequencies as the visible light spectrum is 10,000 times larger than the entire radio spectrum.

What does LiFi mean? -General Knowledge

Description : What does LiFi mean? -General Knowledge

Last Answer : Light Fidelity Li-Fi (Light Fidelity) is similar to Wi-Fi (Wireless Fidelity) but uses light for data transmission instead of radio waves.

What's the problem with Wi-Fi ?

Description : What's the problem with Wi-Fi ?

Last Answer : Disadvantages of Wi-Fi The speed of data transfer is moderate. Wide area data cannot be exchanged. The Wi-Fi 802.11 standard allows data transfer at a distance of about 80-90 meters indoors and about 300 meters outdoors. The security system is very weak.

What are the benefits of Wi-Fi ?

Description : What are the benefits of Wi-Fi ?

Last Answer : The advantage of Wi-Fi is that it is a completely wireless Local Area Network ( WLAN) system. It can be used to access the Internet. Wireless internet can be used in hotels , cafes , ... be used to talk at the same time without interruption. Wi-Fi networks do not require government approval.

What is Wi -Fi ?

Description : What is Wi -Fi ?

Last Answer : Wireless Fidelity is an acronym for Wi-Fi , a wireless system of LAN (Local Area Network) . This allows portable or portable devices (laptop computers , mobile phones) to be easily connected to the Internet. ... area can extend up to a few meters. Area known as Wi-Fi Network or All Wi-Fi Hotspot.

What is the bandwidth of Wi Fi ?

Description : What is the bandwidth of Wi Fi ?

Last Answer : WiFi bandwidth from 10mbs to 50 Mbps .

What is Wi-Fi ?

Description : What is Wi-Fi ?

Last Answer : Wi-Fi is a Local Area Network wireless system where the Internet can be easily connected to portable computer equipment.

wi-fi works based on which standard ?

Description : wi-fi works based on which standard ?

Last Answer : Wi-Fi works based on the IEEE 802.11 standard

Chun-Li alternate cosplay?

Description : Chun-Li alternate cosplay?

Last Answer : Could you get the blue one and then dye it?

Do Li-ion batteries have the "memory" problem?

Description : Do Li-ion batteries have the "memory" problem?

Last Answer : There is more than one kind of Lithium-Ion battery out there- the different types use different ions. I've never worried about memory effect in the Li-Ion batteries I have and have never noticed a problem. ... a lot less severe. I know of at least one electric car with a 20+ year old battery pack.

How much is the clearence between motherboard tray and side panel on Lian Li a10 case (concerning cable managment) ?

Description : How much is the clearence between motherboard tray and side panel on Lian Li a10 case (concerning cable managment) ?

Last Answer : Which side panel? There appears to be the standard space around the mobo as seen in these pictures .

1The elements of the second period of the Periodic Table are given below: Li Be B C N O F (a) Give reason to explain why atomic radii decrease from Li to F. (b) Identify the most (i) metallic and (ii)non-metallic element. -Science

Description : 1The elements of the second period of the Periodic Table are given below: Li Be B C N O F (a) Give reason to explain why atomic radii decrease from Li to F. (b) Identify the most (i) metallic and (ii)non-metallic element. -Science

Last Answer : a) It is because nuclear charge increases due to increase in atomic number, therefore, force of attraction between nucleus and valence electrons increases, i.e. effective nuclear charge increases, hence ... element is ‘F’ because it can gain electrons easily due to smallest atomic size.

Write the full form of the following tags: 1. <LI> 2. <IMG> -Technology

Description : Write the full form of the following tags: 1. 2. -Technology

Last Answer : 1. -List item2. -Image

What does a <LI> create when used in an unordered list? -Technology

Description : What does a create when used in an unordered list? -Technology

Last Answer : creates bulleted points for each list item.

In an unordered list, it is necessary to enclose each item in (a) <LI> tag (b) <UL> tag -Technology

Description : In an unordered list, it is necessary to enclose each item in (a) tag (b) tag -Technology

Last Answer : (a) Each item must be enclosed in tag either in ordered list or unordered list.

<LI> tag is an ………… element tag. -Technology

Description : tag is an ………… element tag. -Technology

Last Answer : tag is an empty element tag.

Write the full forms of: (i) URL (ii) <LI> (iii) <TD> (iv) HTML -Technology

Description : Write the full forms of: (i) URL (ii) (iii) (iv) HTML -Technology

Last Answer : Uniform Resource LocatorList ItemTable DataHyper Text Markup Language

What is the symbol of Li ?

Description : What is the symbol of Li ?

Last Answer : The symbol of li is li

What is the atomic number of Li ?

Description : What is the atomic number of Li ?

Last Answer : Li Atomic number 3

Na, K, Li, which of the elements is the largest in size and which is the smallest in size ?

Description : Na, K, Li, which of the elements is the largest in size and which is the smallest in size ?

Last Answer : Among the elements Na, K, Li, Potassium ( K) is the largest in atomic size and Lithium ( Li) is the smallest in atomic size.

Ionic mobility of `Li^(+)` is less than `Na^(+) and K^(+)` because

Description : Ionic mobility of `Li^(+)` is less than `Na^(+) and K^(+)` because

Last Answer : Ionic mobility of `Li^(+)` is less than `Na^(+) and K^(+)` because A. ionisation potential of lithium is ... `Li^(+)` D. `Li^(+)` keeps two electrons.

The ionisation energy of `H` is `13.6 eV`. Calculate the ionization energy of `Li^(2+)` ions.

Description : The ionisation energy of `H` is `13.6 eV`. Calculate the ionization energy of `Li^(2+)` ions.

Last Answer : The ionisation energy of `H` is `13.6 eV`. Calculate the ionization energy of `Li^(2+)` ions. A. 13.6 eV B. 27.2 eV C. 40 .8 eV D. 122 .4 eV

The ratio of radii of first orbits of H, `He^(+)` and `Li^(2+)` is:

Description : The ratio of radii of first orbits of H, `He^(+)` and `Li^(2+)` is:

Last Answer : The ratio of radii of first orbits of H, `He^(+)` and `Li^(2+)` is: A. `1 : 2 : 3` B. `6 : 3 : 2` C. `1 : 4 : 9` D. `9 : 4 : 1`

How many of following metals impart a characteristic colour to the Bunsen flame ? `(i) Na " " (ii) Li " " (iii) K " " (iv) Ba` `(v) Sr " " (vi) Mg " "

Description : How many of following metals impart a characteristic colour to the Bunsen flame ? `(i) Na " " (ii) Li " " (iii) K " " (iv) Ba` `(v) Sr " " (vi) Mg " "

Last Answer : How many of following metals impart a characteristic colour to the Bunsen flame ? `(i) Na " " (ii) Li " " (iii) K ... ix) `Be " " (x )Ca " " (x i)Cu`

The correct statement with respect to epithelial tissue is : - A - Cells are compactly packed B - cells have no intercellular matrix C - cells have li

Description : The correct statement with respect to epithelial tissue is : - A - Cells are compactly packed B - cells have no intercellular matrix C - cells have li

Last Answer : The correct statement with respect to epithelial tissue is : - A - Cells are compactly packed B - cells have no ... C C. A, C & D D. All of these

Consider the following nuclear reactions: (1) `._(7)^(14)N + ._(2)^(4)HE to ._(8)^(17)O + ._(1)^(1)H` (2) `._(4)^(9)Be + ._(1)^(1)H to ._(3)^(9)Li + .

Description : Consider the following nuclear reactions: (1) `._(7)^(14)N + ._(2)^(4)HE to ._(8)^(17)O + ._(1)^(1)H` (2) `._(4)^(9)Be + ._(1)^(1)H to ._(3)^(9)Li + .

Last Answer : Consider the following nuclear reactions: (1) `._(7)^(14)N + ._(2)^(4)HE to ._(8)^(17)O + ._(1)^(1)H` (2 ... 4 B. 1 and 2 C. 1,3 and 4 D. 1,2,3 and 4

Which of the following statements about the striated muscles is ture ? In the centre of each I-Band is an elastic fiber(Z-line ) which bisects it M-li

Description : Which of the following statements about the striated muscles is ture ? In the centre of each I-Band is an elastic fiber(Z-line ) which bisects it M-li

Last Answer : Which of the following statements about the striated muscles is ture ? In the centre of each I-Band is an elastic ... C. `i and iii` D. `i and ii`

Making use of the tables of atomic masses, determine the energies of the following reaction: (a) `Li^(7)(p,n)Be^(7)` , (b)`Be^(9)(n,gamma)Be^(10)`, (c

Description : Making use of the tables of atomic masses, determine the energies of the following reaction: (a) `Li^(7)(p,n)Be^(7)` , (b)`Be^(9)(n,gamma)Be^(10)`, (c

Last Answer : Making use of the tables of atomic masses, determine the energies of the following reaction: (a) `Li^(7)(p,n)Be^(7 ... `, (d) `O^(16)(d,alpha)N^(14)`.

Calculate the energy released in kilowatt-hours when 100g of `._(3)^(7)Li` are converted into `._(2)^(4)He` by proton bombardment. Mass of `._(3)^(7)L

Description : Calculate the energy released in kilowatt-hours when 100g of `._(3)^(7)Li` are converted into `._(2)^(4)He` by proton bombardment. Mass of `._(3)^(7)L

Last Answer : Calculate the energy released in kilowatt-hours when 100g of `._(3)^(7)Li` are converted into `. ... = 1.0081 amu. Write down the nuclear reaction.

Calculate the binding energy of the lithium atom `(._(3)^(7)Li)` from the following data: `{:("mass of proton",= 1.00759,am u,),("mass of neutron",= 1

Description : Calculate the binding energy of the lithium atom `(._(3)^(7)Li)` from the following data: `{:("mass of proton",= 1.00759,am u,),("mass of neutron",= 1

Last Answer : Calculate the binding energy of the lithium atom `(._(3)^(7)Li)` from the following data: `{:("mass of ... "mass of lithium atom",= 7.01818,am u,):}`

A double ionised lithium atom is hydrogen like with atomic number `3` (i)Find the wavelength of the radiation to excite the electron in `Li^(++)`from

Description : A double ionised lithium atom is hydrogen like with atomic number `3` (i)Find the wavelength of the radiation to excite the electron in `Li^(++)`from

Last Answer : A double ionised lithium atom is hydrogen like with atomic number `3` (i)Find the wavelength ... the emission spectrum of the above excited system ?

Number of metals among following which are obatained by electromentallurgy in molten state are Li, Ba, Na,Al, Fe, Cu, Pb, Sn, Ag, Zn, Ca, Mg.

Description : Number of metals among following which are obatained by electromentallurgy in molten state are Li, Ba, Na,Al, Fe, Cu, Pb, Sn, Ag, Zn, Ca, Mg.

Last Answer : Number of metals among following which are obatained by electromentallurgy in molten state are Li, Ba, Na,Al, Fe, Cu, Pb, Sn, Ag, Zn, Ca, Mg.

A double ionised lithium atom is hydrogen like with atomic number `3` (i)Find the wavelength of the radiation to excite the electron in `Li^(++)`from

Description : A double ionised lithium atom is hydrogen like with atomic number `3` (i)Find the wavelength of the radiation to excite the electron in `Li^(++)`from

Last Answer : A double ionised lithium atom is hydrogen like with atomic number `3` (i)Find the wavelength ... the emission spectrum of the above excited system ?

A double ionised lithium atom is hydrogen like with atomic number `3` (i)Find the wavelength of the radiation to excite the electron in `Li^(++)`from

Description : A double ionised lithium atom is hydrogen like with atomic number `3` (i)Find the wavelength of the radiation to excite the electron in `Li^(++)`from

Last Answer : A double ionised lithium atom is hydrogen like with atomic number `3` (i)Find the wavelength ... the emission spectrum of the above excited system ?

Describe the diagonal relationship between Li and Mg with the help of two illustrative properties.

Description : Describe the diagonal relationship between Li and Mg with the help of two illustrative properties.

Last Answer : Describe the diagonal relationship between Li and Mg with the help of two illustrative properties.

Select the smaller ion form each of the following pairs :  a. K^+, Li^+ b. N^(3-), F^-

Description : Select the smaller ion form each of the following pairs :  a. K^+, Li^+ b. N^(3-), F^-

Last Answer : Select the smaller ion form each of the following pairs : a. K+, Li+ b. N3-, F-

Ionization enthalpy of Li is 520 kJ mol^(-1) while that of F is 1681 kJ mol^(-1) . Explain.

Description : Ionization enthalpy of Li is 520 kJ mol^(-1) while that of F is 1681 kJ mol^(-1) . Explain.

Last Answer : Ionization enthalpy of Li is 520 kJ mol-1 while that of F is 1681 kJ mol-1. Explain.

What is the odd one out of elements Li Na K Fe?

Description : What is the odd one out of elements Li Na K Fe?

Last Answer : What is the answer ?

Which of the following is an electrolytic cell A. lron * (ll) * (Fe) oxidized, aluminum (Al) reduced O B. Silver (Ag) oxidized, gold (Au) reduced C. Aluminum () oxidized (Zn) reduced LithiumD. (Li) oxidized, (Zn) reduced?

Description : Which of the following is an electrolytic cell A. lron * (ll) * (Fe) oxidized, aluminum (Al) reduced O B. Silver (Ag) oxidized, gold (Au) reduced C. Aluminum () oxidized (Zn) reduced LithiumD. (Li) oxidized, (Zn) reduced?

Last Answer : The answer is not c.

In a period from Li to F, ionisation potential – (1) cannot be predicted (2) increases (3) decreases (4) remains same

Description : In a period from Li to F, ionisation potential – (1) cannot be predicted (2) increases (3) decreases (4) remains same

Last Answer : (1) cannot be predicted

Which one occupies the lowermost position in the electromotive series of metals? (A) Aluminium (B) Noble metals (Ag, Pt, Au) (C) Zinc (D) Alkali metals (K, Na, Li)

Description : Which one occupies the lowermost position in the electromotive series of metals? (A) Aluminium (B) Noble metals (Ag, Pt, Au) (C) Zinc (D) Alkali metals (K, Na, Li)

Last Answer : (B) Noble metals (Ag, Pt, Au)

From the elements: Cl, Br, F, O, Al, C, Li, Cs and Xe; choose the following: (a) The element with highest negative electron gain enthalpy. (b) The element with lowest ionization enthalpy. (c) The element with smallest ionic radius. (d) The element with six electrons in the valence shell. (e) The element which is a liquid at room temperature. (f)The element which belongs to zero group. (g) The elements which forms largest number of compounds.

Description : From the elements: Cl, Br, F, O, Al, C, Li, Cs and Xe; choose the following: (a) The element with highest negative electron gain enthalpy. (b) The element with lowest ionization enthalpy. ( ... . (f)The element which belongs to zero group. (g) The elements which forms largest number of compounds.

Last Answer : Ans. (a). The element chlorine (Cl) has the highest negative electron gain enthalpy. (b). The element cesium (Cs) has lowest ionization enthalpy. (c). The element fluorine F has lowest atomic radius. (d ... zero group (or group 18). (g). The element carbon (C) forms the largest number of compounds.

The increasing order of reactivity among group 1 elements is Li<Na<K<Rb<Cs whereas among the group 17 elements, it is F>Cl>Br>I. Explain.

Description : The increasing order of reactivity among group 1 elements is Li

Last Answer : Ans. In group 1 elements (alkali metals) the reactivity of the metals is mainly due to the electron releasing tendency of their atoms, which is related to ionization enthalpy, Since ... electron gain enthalpy. Since both of them decrease down the group, the reactivity therefore decreases.

Among Li, Na, K, Rb, Cs, the element with lowest ionization energy is________

Description : Among Li, Na, K, Rb, Cs, the element with lowest ionization energy is________

Last Answer : Ans. Cs has lowest ionization enthalpy.

The element from the elements Li, Na, K, having the least number of electron shells is

Description : The element from the elements Li, Na, K, having the least number of electron shells is

Last Answer : Li.

what is the usage of form LI-37? a. repayment of loans of PLI b. voucher for any payment c None

Description : what is the usage of form LI-37? a. repayment of loans of PLI b. voucher for any payment c None

Last Answer : a. repayment of loans of PLI

The reagent needed to convert 2-butyne to cis-2-butene is : (a) H2/Pt (b) H2/Lindlar’s catalyst (c) Li/NH3 (d) Na/NH3

Description : The reagent needed to convert 2-butyne to cis-2-butene is : (a) H2/Pt (b) H2/Lindlar’s catalyst (c) Li/NH3 (d) Na/NH3

Last Answer : H2/Lindlar’s catalyst

Forbes magazine named oldest top most powerful man of the Year 2018: (a) Li Ka-shing (b) Warren Buffett (c) Rupert Murdoch (d) None of These

Description : Forbes magazine named oldest top most powerful man of the Year 2018: (a) Li Ka-shing (b) Warren Buffett (c) Rupert Murdoch (d) None of These

Last Answer : (a) Li Ka-shing

“Composite sleeper index” is employed to determine a) sleeper density requirement b) number of fixtures required for a particular type of sleeper c) durability of sleeper d) mechanical strength of wooden sleepers and thereby gives its suitability as to be used as li sleepers.*

Description : “Composite sleeper index” is employed to determine a) sleeper density requirement b) number of fixtures required for a particular type of sleeper c) durability of sleeper d) mechanical strength of wooden sleepers and thereby gives its suitability as to be used as li sleepers.*

Last Answer : d) mechanical strength of wooden sleepers and thereby gives its suitability as to be used as li sleepers.*