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People suffering from colour blindness fail to distinguish which of the two colours?
  • a)
    Red and Green
  • b)
    Blue and Green
  • c)
    Red and Blue
  • d)
    Red and Yellow
Correct answer is option 'A'. Can you explain this answer?
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People suffering from colour blindness fail to distinguish which of th...
People who are colour blind fail to distinguish between red and green colours. Colour blindness is a sex-linked recessive trait in which the normal gene and its recessive allele are carried by X-chromosome.
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Read the following text and answer the following questions on the basis of the same:Light Emitting Diode:It is a heavily doped p-n junction which under forward bias emits spontaneous radiation. The diode is encapsulated with a transparent cover so that emitted light can come out. When the diode is forward biased, electrons are sent from n → p (where they are minority carriers) and holes are sent from p → n (where they are minority carriers). At the junction boundary, the concentration of minority carriers increases as compared to the equilibrium concentration (i.e., when there is no bias).Thus at the junction boundary on either side of the junction, excess minority carriers are there which recombine with majority carriers near the junction. On recombination, the energy is released in the form of photons. Photons with energy equal to or slightly less than the band gap are emitted. When the forward current of the diode is small, the intensity of light emitted is small. As the forward current increases, intensity of light increases and reaches a maximum. Further increase in the forward current results in decrease of light intensity. LED's are biased such that the light emitting efficiency is maximum. The V-I characteristics of a LED is similar to that of a Si junction diode. But, the threshold voltages are much higher and slightly different for each colour. The reverse breakdown voltages of LED's are very low, typically around 5 V. So care should be taken that high reverse voltages do not appear across them. LED's that can emit red, yellow, orange, green and blue light are commercially available.Q. Threshold voltage of LED is

People suffering from colour blindness fail to distinguish which of the two colours?a)Red and Greenb)Blue and Greenc)Red and Blued)Red and YellowCorrect answer is option 'A'. Can you explain this answer?
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People suffering from colour blindness fail to distinguish which of the two colours?a)Red and Greenb)Blue and Greenc)Red and Blued)Red and YellowCorrect answer is option 'A'. Can you explain this answer? for Class 12 2024 is part of Class 12 preparation. The Question and answers have been prepared according to the Class 12 exam syllabus. Information about People suffering from colour blindness fail to distinguish which of the two colours?a)Red and Greenb)Blue and Greenc)Red and Blued)Red and YellowCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for Class 12 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for People suffering from colour blindness fail to distinguish which of the two colours?a)Red and Greenb)Blue and Greenc)Red and Blued)Red and YellowCorrect answer is option 'A'. Can you explain this answer?.
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