Mention the uses of optical fibres.

Mention the uses of optical fibres.
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Answer :

Optical fibres are used as a medium for telecommunication and networking.
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Related questions

What are the merits / advantages of optical fibres?

Description : What are the merits / advantages of optical fibres?

Last Answer : a) Optic fibres do not interact with air or water, so it does not corrode. b) Messages reach the destination much faster as photons transmit much faster than electrons. c) Optic fibres can transmit

Why are optical fibres used in telecommunication and networking?

Description : Why are optical fibres used in telecommunication and networking?

Last Answer : Optical fibres are flexible and can be bundled as cables hence it is used in telecommunication and networking.

What are optical fibres? Give three applications of these fibres.

Description : What are optical fibres? Give three applications of these fibres.

Last Answer : Ans. Optical fibres are tubes of glass which transmit light without significant absorption of light energy. T.I.R is the phenomenon used for this purpose. It is used for (i) Communication, (ii) Bio-medical engineering and (iii) Medical applications without operating the patient.

Optical fibres are made up of thin strands of (a) copper material (b) silver material (c) glass like material -Technology

Description : Optical fibres are made up of thin strands of (a) copper material (b) silver material (c) glass like material -Technology

Last Answer : (c) Optical fibres are made up of thin strands of glass like material.

Optical fibres are mainly used in- (1) Communication (2) Weaving (3) Musical Instruments (4) Food Industry

Description : Optical fibres are mainly used in- (1) Communication (2) Weaving (3) Musical Instruments (4) Food Industry

Last Answer : (1) Communication Explanation: Optical Fibres used for Broadcasting. These cables are used to transmit high definition television signals which have a greater bandwidth and speed.

Optical fibres are based on the phenomenon of – (1) Interference (2) Dispersion (3) Diffraction (4) Total Internal Reflection

Description : Optical fibres are based on the phenomenon of – (1) Interference (2) Dispersion (3) Diffraction (4) Total Internal Reflection

Last Answer : (4) Total Internal Reflection Explanation: An optical fiber (or optical fibre) is a flexible, transparent fiber made of glass (Silica) or plastic, slightly thicker than a human hair. It functions as a ... is kept in the core by total internal reflection. This causes the fiber to act as a waveguide.

Which phenomena is used in optical fibres?

Description : Which phenomena is used in optical fibres?

Last Answer : Total internal reflection

Optical fibres are based on the phenomenon of (1) Interference (2) Dispersion (3) Diffraction (4) Total Internal Reflection

Description : Optical fibres are based on the phenomenon of (1) Interference (2) Dispersion (3) Diffraction (4) Total Internal Reflection

Last Answer : Total Internal Reflection

State the uses of (i) Glass Fibres (ii) Asbestos Fibres.

Description : State the uses of (i) Glass Fibres (ii) Asbestos Fibres. 

Last Answer :  Uses of Glass Fibres : 1. Used as filter in air conditioners. 2. Used as fine aggregate for finishing plaster to reduce cracking. 3. Used with plastic to produce glass reinforced plastic (GRP), ... 5. It is used for thermal insulation work for pipe line. 6. Used in electrical insulation work.

An electron microscope gives higher magnification than an optical microscope, because: (1) It uses more powerful lenses (2) the velocity of electron is smaller than that of visible (3) the electrons have more energy than the light particles (4) the wavelength of electrons is smaller as compared to the wavelength of visible light

Description : An electron microscope gives higher magnification than an optical microscope, because: (1) It uses more powerful lenses (2) the velocity of electron is smaller than that of visible (3) the ... particles (4) the wavelength of electrons is smaller as compared to the wavelength of visible light

Last Answer : (4) the wavelength of electrons is smaller as compared to the wavelength of visible light Explanation: An electron microscope uses a beam of electrons to illuminate a specimen and produce a ... photons. Magnification is the process of enlarging something only in appearance, not in physical size.

An electron microscope gives higher magnifications than an optical microscope because – (1) The velocity of electrons is smaller than that of light (2) The wavelength of electrons is smaller as compared to the wavelength of visible light (3) The electrons have more energy than the light particulars (4) The electron microscope uses more powerful lenses

Description : An electron microscope gives higher magnifications than an optical microscope because - (1) The velocity of electrons is smaller than that of light (2) The wavelength of electrons is smaller as ... have more energy than the light particulars (4) The electron microscope uses more powerful lenses

Last Answer : (2) The wavelength of electrons is smaller as compared to the wavelength of visible light Explanation: An electron microscope is a microscope that uses a beam of accelerated electrons as a spume ... a higher resolving power than a light microscope and can reveal the structure of smaller objects.

OCR (Optical Character Recognition) uses NLP. a) True b) False

Description : OCR (Optical Character Recognition) uses NLP. a) True b) False

Last Answer : a) True

______ uses two optical fibers and a short-wave laser source, A) 1000Base-SX B) 1000Base-LX C) 1000Base-T D) none of the above

Description : ______ uses two optical fibers and a short-wave laser source, A) 1000Base-SX B) 1000Base-LX C) 1000Base-T D) none of the above

Last Answer : 1000Base-LX

Which of the following uses a very thin glass or plastic fiber through which pulses of light travel? a. Cat 1 b. Optical fiber c. Twisted pair d. Coax

Description : Which of the following uses a very thin glass or plastic fiber through which pulses of light travel? a. Cat 1 b. Optical fiber c. Twisted pair d. Coax

Last Answer : b. Optical fiber

DVD technology uses an optical media to store the digital data DVD is an acronym for (A) Digital Vector Disc (B) Digital Volume Disc (C) Digital Versatile Disc (D) Digital Visualization Disc

Description : DVD technology uses an optical media to store the digital data DVD is an acronym for (A) Digital Vector Disc (B) Digital Volume Disc (C) Digital Versatile Disc (D) Digital Visualization Disc

Last Answer : (C) Digital Versatile Disc

Optical fiber uses reflection to guide light through a channel, in which angle of incidence is ................. the critical angle. (A) equal to (B) less than (C) greater than (D) less than or equal to

Description : Optical fiber uses reflection to guide light through a channel, in which angle of incidence is ................. the critical angle. (A) equal to (B) less than (C) greater than (D) less than or equal to

Last Answer : (C) greater than

An electron microscope gives higher magnifications than an optical microscope because : (1) The velocity of electrons is smaller than that of light (2) The wavelength of electrons is smaller as compared to the wavelength of visible light (3) The electrons have more energy than the light particulars (4) The electron microscope uses more powerful lenses

Description : An electron microscope gives higher magnifications than an optical microscope because : (1) The velocity of electrons is smaller than that of light (2) The wavelength of electrons is smaller as ... have more energy than the light particulars (4) The electron microscope uses more powerful lenses 

Last Answer : The wavelength of electrons is smaller as compared to the wavelength of visible light

An electron microscope gives higher magnification than an optical microscope, because : (1) it uses more powerful lenses (2) the velocity of electron is smaller than that of visible light (3) the electrons have more energy than the light particles (4) the wavelength of electrons is smaller as compared to the wavelength of visible light

Description : An electron microscope gives higher magnification than an optical microscope, because : (1) it uses more powerful lenses (2) the velocity of electron is smaller than that of visible light (3) ... particles (4) the wavelength of electrons is smaller as compared to the wavelength of visible light

Last Answer : the wavelength of electrons is smaller as compared to the wavelength of visible light

Mention the uses of tissue culture.

Description : Mention the uses of tissue culture.

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Mention the uses of superconductors.

Description : Mention the uses of superconductors.

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Mention the uses of alternating current.

Description : Mention the uses of alternating current.

Last Answer : 1. Alternating current is used in domestic appliances like lamps, heaters, fans, ovens, radio etc. 2. It is used to produce required frequency of radio waves for radio and T.V transmission ... communication. 4. It is used to produce ultrasonic waves used in industries, ultrasound scanning and SONAR.

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Description : Mention the uses of aluminium salts.

Last Answer : a) Aluminium salts are used as mordant in textile industry (to bind the dye to the cloth). b) Potash alum is used to prevent bleeding from small cuts by coagulating the blood at the surface.

Mention the uses of cast iron.

Description : Mention the uses of cast iron.

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Mention the uses of Radar.

Description : Mention the uses of Radar.

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Mention the uses of graphite

Description : Mention the uses of graphite

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Mention the uses of beeswax.

Description : Mention the uses of beeswax.

Last Answer : Beeswax is used in cosmetics, preparation of drip less candles and skin ointments.

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Description : Mention the uses of Toluene

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Mention the uses of Benzene

Description : Mention the uses of Benzene

Last Answer : a) Benzene is used as solvent for oils, fats, resins, rubber, sulphur, iodine etc. b) It is used in the manufacture of dyes, drugs, perfumes, explosives etc. c) It in used in preparation of gammexane, an insecticide. d) It is used for dry cleaning.

Mention the uses of graphite.

Description : Mention the uses of graphite.

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Mention the uses of ceramics.

Description : Mention the uses of ceramics.

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Description : Mention the uses of diesel engine.

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Description : Mention some uses of silicon compounds.

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Description : Mention the uses of biogas.

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Mention the uses of solar cells.

Description : Mention the uses of solar cells.

Last Answer : Solar cells are being used in traffic signals in some cities, lighting lamps and pumping water in rural areas.

Mention the uses of solar heater.

Description : Mention the uses of solar heater.

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Mention any two uses of a globe. -Geography

Description : Mention any two uses of a globe. -Geography

Last Answer : 1. The globe is useful to know the shape of the Earth 2. It helps us to understand the position, shape and size of the continents, oceans and seas.

Mention any two uses of maps. -Geography

Description : Mention any two uses of maps. -Geography

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Mention any two uses of manganese. -Geography

Description : Mention any two uses of manganese. -Geography

Last Answer : Two uses of Manganese: 1. Making of iron and steel. It makes it tough. 2. Manufacturing of paints and glass.

Name a region which has natural gas deposits. Mention two uses of natural gas. -Geography

Description : Name a region which has natural gas deposits. Mention two uses of natural gas. -Geography

Last Answer : Assam, Mumbai High are some gas producing regions. Two uses of Natural Gas : 1. Natural Gas is used as the most important fuel (as cooking gas and also as fuel for vehicles). 2. It is used in the chemical fertilizers.

(i) Mention two uses of mineral oil. (ii) Name an old and a new mineral oil producing area. -Geography

Description : (i) Mention two uses of mineral oil. (ii) Name an old and a new mineral oil producing area. -Geography

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Which State is the largest producer of manganese in India? Mention any two uses of manganese. -SST 10th

Description : Which State is the largest producer of manganese in India? Mention any two uses of manganese. -SST 10th

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Mention any four uses of manganese ore. Name three areas where manganese is found. -SST 10th

Description : Mention any four uses of manganese ore. Name three areas where manganese is found. -SST 10th

Last Answer : Four uses of manganese ore are follows : (i) It is an important raw material in the iron and steel industry, used in the manufacturing of steel. Nearly 10 kg of manganese is ... Orissa, Chhindwara and Balaghat in Madhya Pradesh and Shimoga of Karnataka are important areas of manganese mining.

State two main uses of copper. Also, mention three major copper-producing districts of India. -SST 10th

Description : State two main uses of copper. Also, mention three major copper-producing districts of India. -SST 10th

Last Answer : Being malleable, ductile and a good conductor, copper is mainly used in electrical cables, electronics and chemical industries. India is critically deficient in the reserve and production of copper. Three ... are famous. (iii) The Singhbhum district of Jharkhand has also large reserves of copper.

State uses of limestone. Also mention the states where it is produced. -SST 10th

Description : State uses of limestone. Also mention the states where it is produced. -SST 10th

Last Answer : Limestone is the basic raw material for the cement industry and essential for smelting iron ore in the blast furnace. It is found in association with ... geological formations. It is produced in states like Andhra Pradesh, Madhya Pradesh, Rajasthan, Gujarat and Tamil Nadu.

Mention two uses of mineral oil. -SST 10th

Description : Mention two uses of mineral oil. -SST 10th

Last Answer : Two Uses of Mineral Oil: (a) Mineral oil is used in Transport sector it uses 50% of the total production. (b) Agriculture sector uses Diesel and Kerosene.

Mention four main uses of groundnuts. -SST 10th

Description : Mention four main uses of groundnuts. -SST 10th

Last Answer : (i) It is used for vanaspati ghee. (ii) It is used for making soap. (iii) It is eaten raw or roasted. (iv) Its oil cake is used for cattle feed.

Mention some uses of jute. -SST 10th

Description : Mention some uses of jute. -SST 10th

Last Answer : Jute is used for making cloth to wrap bales of cotton, gunny bags, rope, string, jute carpets, fibres and twine. Now, it is also used for making, furnishing material, shopping bags and sail cloth. Very fine threads of jute are made into imitation silks.

Mention the uses of damper windings in a synchronous machine?

Description : Mention the uses of damper windings in a synchronous machine?

Last Answer : 1. Damper winding is used to reduce the oscillations developed in the rotor of alternator when it is suddenly loaded. 2. The damper winding is used to start the synchronous motor as an induction motor.

What is Neoprene? Mention any two uses.

Description : What is Neoprene? Mention any two uses.

Last Answer : Ans: A synthetic rubber made by chloroprene. It is a synthetic rubbers. Uses: Conveyor belts in coal mines & gaskets.

Mention the uses of salts in industries

Description : Mention the uses of salts in industries

Last Answer : I. Sodium chloride (NaCl) is used for the manufacture of chlorine, hydrogen chloride, caustic soda, washing soda and sodium hydrogen carbonate. II. Sodium carbonate is used for softening hard ... and fertilizer. IV. Copper sulphate is used as fungicide in calico printing and in electroplating.