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A transparent dielectric coating is applied to glass (ε, = 4, mu_{r} = 1 ) to eliminate the reflection of red light (lambda_{0} = 0.75mu*m) The minimum thickness of the dielectric coating, in um, that can be used is (rounded off to two decimal places).
(GATE-23)?
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A transparent dielectric coating is applied to glass (ε, = 4, mu_{r} =...


Given Data:

  • εr = 4
  • μr = 1
  • λ0 = 0.75 μm


Formula:

  • For minimum reflection, the thickness of the dielectric coating should be equal to λ0/4 times the refractive index of the dielectric material.
  • Minimum Thickness = λ0 / (4 * √εr * μr)


Calculation:

  • Minimum Thickness = 0.75 μm / (4 * √4 * 1)
  • Minimum Thickness = 0.75 μm / (4 * 2)
  • Minimum Thickness = 0.75 μm / 8
  • Minimum Thickness = 0.09375 μm


Result:

  • Therefore, the minimum thickness of the dielectric coating that can be used to eliminate the reflection of red light is approximately 0.09 μm.



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A transparent dielectric coating is applied to glass (ε, = 4, mu_{r} = 1 ) to eliminate the reflection of red light (lambda_{0} = 0.75mu*m) The minimum thickness of the dielectric coating, in um, that can be used is (rounded off to two decimal places).(GATE-23)?
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A transparent dielectric coating is applied to glass (ε, = 4, mu_{r} = 1 ) to eliminate the reflection of red light (lambda_{0} = 0.75mu*m) The minimum thickness of the dielectric coating, in um, that can be used is (rounded off to two decimal places).(GATE-23)? for Electrical Engineering (EE) 2024 is part of Electrical Engineering (EE) preparation. The Question and answers have been prepared according to the Electrical Engineering (EE) exam syllabus. Information about A transparent dielectric coating is applied to glass (ε, = 4, mu_{r} = 1 ) to eliminate the reflection of red light (lambda_{0} = 0.75mu*m) The minimum thickness of the dielectric coating, in um, that can be used is (rounded off to two decimal places).(GATE-23)? covers all topics & solutions for Electrical Engineering (EE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A transparent dielectric coating is applied to glass (ε, = 4, mu_{r} = 1 ) to eliminate the reflection of red light (lambda_{0} = 0.75mu*m) The minimum thickness of the dielectric coating, in um, that can be used is (rounded off to two decimal places).(GATE-23)?.
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