Fiber Optics MCQs (Chapterwise Multiple Choice Questions)

What does TPON stand for?

Telephony on a pure optical network

Telephony on a plastic optical network

Telephony on a polarized optical network

Telephony on a passive optical network

Answer & Explanation

Correct Answer: Telephony on a passive optical network

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The information carrying capacity of optical fibers is in the range of:

MHZ

mHZ

GHZ

µHZ

Answer & Explanation

Correct Answer: GHZ

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The cutback technique is a/an _______.

attenuation measurement technique

refractive index measurement technique

impurity measurement technique

frequency measurement technique

Answer & Explanation

Correct Answer: attenuation measurement technique

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For a profile parameter (α)=1, the profile shape of refractive index for a graded index fiber will be _______.

triangular

parabolic

step

circular

Answer & Explanation

Correct Answer: triangular

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The output power of a LASER is greater than that of a LED because of _____.

stimulated emission

spontaneous emission

straight emission

None of the above

Answer & Explanation

Correct Answer: stimulated emission

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The refractive index is defined as the ratio of ____________.

the velocity of light in a vacuum to the velocity of light in the medium

the velocity of light in the medium to the velocity of sound in a vacuum

the velocity of light in the medium to the velocity of light in a vacuum

Answer & Explanation

Correct Answer: the velocity of light in the medium to the velocity of sound in a vacuum

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Which of the following is a fiber dispersion measurement method?

Time domain measurement

Interferometric method

Refracted near field method

Reflected near field method

Answer & Explanation

Correct Answer: Time domain measurement

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Optical time domain reflectometry (OTDR) is a/an ________.

attenuation measurement technique

refractive index measurement technique

field measurement technique

core diameter measurement technique

Answer & Explanation

Correct Answer: field measurement technique

Note: This Question is unanswered, help us to find answer for this one

What is the relationship between refractive index (n₁) of core and refractive index (n₂) of cladding for an optical fiber?

n₁ < n₂

n₁ = n₂

n₁ <= n₂

n₁ > n₂

Answer & Explanation

Correct Answer: n₁ > n₂

Note: This Question is unanswered, help us to find answer for this one

One polarization maintaining fiber operates at a wavelength of 1.5 µm and has a beat length of 0.6mm. Its modal birefringence is given by _______.

1.5 x 10^-3

3.5 x 10^-3

2.5 x 10^-3

4.5 x 10^-3

Answer & Explanation

Correct Answer: 2.5 x 10^-3

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Fiber Optics Quick Quiz

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Fiber Optics MCQ

Fiber Optics Quick Quiz

What does TPON stand for?

The information carrying capacity of optical fibers is in the range of:

The cutback technique is a/an _______.

For a profile parameter (α)=1, the profile shape of refractive index for a graded index fiber will be _______.

The output power of a LASER is greater than that of a LED because of _____.

The refractive index is defined as the ratio of ____________.

Which of the following is a fiber dispersion measurement method?

Optical time domain reflectometry (OTDR) is a/an ________.

What is the relationship between refractive index (n1) of core and refractive index (n2) of cladding for an optical fiber?

One polarization maintaining fiber operates at a wavelength of 1.5 µm and has a beat length of 0.6mm. Its modal birefringence is given by _______.

What is the relationship between refractive index (n₁) of core and refractive index (n₂) of cladding for an optical fiber?