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Class 12 Exam  >  Class 12 Questions  >  Which one of the following is not an illustra... Start Learning for Free
Which one of the following is not an illustration of the scattering of light?
  • a)
    The blue color of the sky
  • b)
    The white color of the clouds
  • c)
    Rainbow
  • d)
    The red color of danger signals
Correct answer is option 'C'. Can you explain this answer?
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Which one of the following is not an illustration of the scattering of...
A rainbow is an example of a dispersion of sunlight by the water drops in the atmosphere. This is a phenomenon due to the combined effect of dispersion, refraction, and reflection of sunlight by spherical water droplets of rain. Others all are common illustrations of scattering of light.
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Read the following text and answer the following questions on the basis of the same:Optical Fibre:Optical fibre works on the principle of total internal reflection. Light rays can be used to transmit a huge amount of data, but there is a problem here – the light rays travel in straight lines. So unless we have a long straight wire without any bends at all, harnessing this advantage will be very tedious. Instead, the optical cables are designed such that they bend all the light rays’ inwards (using TIR). Light rays travel continuously, bouncing off the optical fibre walls and transmitting end to end data. It is usually made of plastic or glass.Modes of transmission: Single-mode fibre is used for long-distance transmission, while multi- mode fiber is used for shorter distances. The outer cladding of these fibres needs better protection than metal wires. Although light signals do degrade over progressing distances due to absorption and scattering. Then, optical Regenerator system is necessary to boost the signal.Types of Optical Fibres: The types of optical fibers depend on the refractive index, materials used, and mode of propagation of light. The classification based on the refractive index is as follows: Step Index Fibres: It consists of a core surrounded by the cladding, which has a single uniform index of refraction. Graded Index Fibres: The refractive index of the optical fibre decreases as the radial distance from the fibre axis increases. Q. Light signal through optical fibre may degrade due to

Read the following text and answer the following questions on the basis of the same:Optical Fibre:Optical fibre works on the principle of total internal reflection. Light rays can be used to transmit a huge amount of data, but there is a problem here – the light rays travel in straight lines. So unless we have a long straight wire without any bends at all, harnessing this advantage will be very tedious. Instead, the optical cables are designed such that they bend all the light rays’ inwards (using TIR). Light rays travel continuously, bouncing off the optical fibre walls and transmitting end to end data. It is usually made of plastic or glass.Modes of transmission: Single-mode fibre is used for long-distance transmission, while multi- mode fiber is used for shorter distances. The outer cladding of these fibres needs better protection than metal wires. Although light signals do degrade over progressing distances due to absorption and scattering. Then, optical Regenerator system is necessary to boost the signal.Types of Optical Fibres: The types of optical fibers depend on the refractive index, materials used, and mode of propagation of light. The classification based on the refractive index is as follows: Step Index Fibres: It consists of a core surrounded by the cladding, which has a single uniform index of refraction. Graded Index Fibres: The refractive index of the optical fibre decreases as the radial distance from the fibre axis increases. Q. Optical fibre is made of

Read the following text and answer the following questions on the basis of the same:Optical Fibre:Optical fibre works on the principle of total internal reflection. Light rays can be used to transmit a huge amount of data, but there is a problem here – the light rays travel in straight lines. So unless we have a long straight wire without any bends at all, harnessing this advantage will be very tedious. Instead, the optical cables are designed such that they bend all the light rays’ inwards (using TIR). Light rays travel continuously, bouncing off the optical fibre walls and transmitting end to end data. It is usually made of plastic or glass.Modes of transmission: Single-mode fibre is used for long-distance transmission, while multi- mode fiber is used for shorter distances. The outer cladding of these fibres needs better protection than metal wires. Although light signals do degrade over progressing distances due to absorption and scattering. Then, optical Regenerator system is necessary to boost the signal.Types of Optical Fibres: The types of optical fibers depend on the refractive index, materials used, and mode of propagation of light. The classification based on the refractive index is as follows: Step Index Fibres: It consists of a core surrounded by the cladding, which has a single uniform index of refraction. Graded Index Fibres: The refractive index of the optical fibre decreases as the radial distance from the fibre axis increases. Q. Optical fibre works on the principle of

Which one of the following is not an illustration of the scattering of light?a)The blue color of the skyb)The white color of the cloudsc)Rainbowd)The red color of danger signalsCorrect answer is option 'C'. Can you explain this answer?
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Which one of the following is not an illustration of the scattering of light?a)The blue color of the skyb)The white color of the cloudsc)Rainbowd)The red color of danger signalsCorrect answer is option 'C'. Can you explain this answer? for Class 12 2025 is part of Class 12 preparation. The Question and answers have been prepared according to the Class 12 exam syllabus. Information about Which one of the following is not an illustration of the scattering of light?a)The blue color of the skyb)The white color of the cloudsc)Rainbowd)The red color of danger signalsCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Class 12 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which one of the following is not an illustration of the scattering of light?a)The blue color of the skyb)The white color of the cloudsc)Rainbowd)The red color of danger signalsCorrect answer is option 'C'. Can you explain this answer?.
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