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Consider the following statements: 1. Fiber optics is based on the principle of total internal reflection. 2. In an optical fiber communication system, power consumption is extremely low. 3. In India, Reliance Group of Industries is engaged in the manufacture of optical fiber. 4. Optical fiber communications are free from radio frequency interference. Which of the following statements is/are correct?

Consider the following statements: 1. Fiber optics is based on the principle of total internal reflection. 2. In an optical fiber communication system, power consumption is extremely low. 3. In India, Reliance Group of Industries is engaged in the manufacture of optical fiber. 4. Optical fiber communications are free from radio frequency interference. Which of the following statements is/are correct? Correct Answer 1, 2 and 4

The correct answer is 1,2 and 4.

Key Points

  • Optical fiber is the technology partnered with data transmission using light pulses traveling along with a long fiber which is usually made of plastic or glass.
  • Metal wires are upgraded for transmission in optical fiber communication as signals travel with lesser damages.
  • These are based on the principle of total internal reflection. Hence statement 1 is correct.
  • An optical fiber is a flexible, transparent fiber made by constructing a glass or plastic to a diameter slightly thicker than that of a human hair. Hence statement 2 is correct.
  • Major companies operating in India under the optical fiber cables market include Sterlite Technologies Limited, Himachal Futuristic Communications Ltd., Aksh OptiFiber Limited, Finolex Cables Limited, Birla Cables Limited, Vindhya Telelinks Limited, UM Cables Limited, Uniflex Cables Limited, West Coast Optilinks. Hence statement 3 is incorrect.
  • Optical fiber communications are liberated from radio frequency interference. Hence statement 4 is correct.

Related Questions

Consider the following statements.
1. Fibre optics is based on the principle of total internal reflection.
2. In an optical fibre communication system, power consumption is extremely low
3. Optical fibre communications are free from radio frequency interference.
4. In India, Reliance Group of Industries is engaged in the manufacture of the optical fibre.
Which of these statements are correct?
Two statements are followed by three Conclusions I, II and III. You have to consider the statements to be true, even if they seem to be at variance from commonly known facts. You are to decide which of the given conclusions can definitely be drawn from the given statements and indicate your answer accordingly. Statements: I. Mukesh Ambani overtook Alibaba Group founder Jack Ma to become Asia’s richest person as he positions Reliance Industries Ltd. to disrupt the e-commerce space in India.  II. The chairman of India’s refining-to-telecoms conglomerate, Ambani was estimated to be worth $44.3 billion on Friday with Reliance Industries Ltd. rising 1.6 percent to a record 1,099.8 rupees. Conclusions: I. Ambani, best known for executing large-scale projects, spearheaded construction of the world’s largest refining complex in Jamnagar, owns the most-widespread mobile data network globally and claims to have India’s biggest as well as most-profitable retail firm.  II. Jio is the driver behind the surge in Reliance. Jio will introduce a fiber-based broadband service across 1,100 Indian cities in August in what Ambani said would be the biggest greenfield fixed-line rollout anywhere in the world.  III. If the company is going to double profit a few years down the line, the stock price is also likely to increase.
Consider the following statements.
1. A fibre is an optical system based upon the basic principle of total internal reflection.
2. In total internal reflection, the angle of incidence should always be greater than critical angle.
3. The critical angle is very low for a light ray coming from diamond to air.
Which of the statements given above is/are correct?
Saudi Aramco and Reliance Industries entered into a joint venture where Saudi Aramco invested 20 billion dollars and Reliance Industries invested 30 billion dollars. The ownership ratio is always equal to the investment ratio. After 1 year, the venture made a profit of 6 billion dollars which they reinvested. Now Reliance Industries wants to increase its ownership to 75%, how much it should pay to Saudi Aramco in billion dollars?  
Consider the statements given below and select the correct statement(s)
1. Computer-mediated communication (CMC) is defined as any human communication that occurs through the use of two or more electronic devices.
2. Computer-mediated Communication can be broken down into two forms i.e. synchronous and asynchronous.
3. Synchronous computer mediated communication refers to communication which occurs in real time.
4. Asynchronous computer mediated communication refers to communication which takes place when the parties engaged are not communicating in unison.
Optical fibre is based on which of the following principles? a. Principle of reflection of light b. Principle of refraction of light c. Principle of total internal reflection d. Principle of dispersion of light
The pie chart given below shows the fuel consumption by five vehicles V1, V2, V3, V4 and V5. In a month total fuel consumption by all five vehicles is 720 litre. Fuel consumption of a particular vehicle is shown in terms of degree with respect to the total fuel consumption by all these five vehicles. J1 = Difference between the fuel consumption of V4 and V5. J2 = Difference between the fuel consumption of V1 and V2. What is the value of J2 – J1?
Some of the physical and functional advantages of optical fiber communication are mentioned here. Select the option which tells about the functional advantages of optical fiber communication. I. The transmission bandwidth of the fiber optic cables is higher than the metal cables. II. Since these cables are di-electric, no spark hazards are present. III. Fibre optic cables last longer than copper cables. IV. The amount of data transmission is higher in fiber optic cables. V. Fibre optic cables are immune to electromagnetic interference. VI. These are not affected by electrical noise.
Consider the following statements for superconductivity: 1. Superconducting magnets capable of generating high fields with low power consumption are currently being employed in scientific test and research equipment. 2. One of the potential applications of superconducting materials is electrical power transmission through superconducting materials - power losses would be extremely low, and the equipment would operate at low voltage level. 3. Type II superconductors are preferred over type I for most practical applications by virtue of their higher critical temperatures and critical magnetic fields. Which of the above statements is/are correct?
Which of the following set of statements are correct for describing the human communication process?
1. Non-verbal communication can stimulate ideas.
2. Communication is a learnt ability.
3. Communication is not a universal panacea.
4. Communication cannot break down.
5. More communication means more effective learning by students.
6. Value of what is learnt through classroom communication is not an issue for students.
Select the correct answer