Q:

Optical fiber works on the principle of

A) Scattering	B) interference
C) total internal reflection	D) refraction

Answer & Explanation Answer: C) total internal reflection

Explanation:

Optical_fiber_works_on_the_principle_of1556277954.jpg image

Optical fiber works on the principle of total internal reflection.

The Total Internal Reflection is the phenomenon in which the complete reflection of a light ray reaching an interface with a less dense medium when the angle of incidence exceeds the critical angle.

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Filed Under: Physics
Exam Prep: GATE , CAT , Bank Exams , AIEEE
Job Role: Bank PO , Bank Clerk , Analyst

40 17799

Q:

Who coined the term 'Hindu rate of growth' for Indian economy

A) A.K.Sen	B) Kirit S.Parikh
C) Raj Krishna	D) Montek Singh Ahluwalia

Answer & Explanation Answer: C) Raj Krishna

Explanation:

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Filed Under: Indian Economy

33 17767

Q:

The radioactive element most commonly detected in humans is

A) potassium-40	B) cobalt-60
C) iodine-131	D) plutonium-238

Answer & Explanation Answer: A) potassium-40

Explanation:

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Filed Under: General Science

94 17762

Q:

Who among the following has been awarded the Arjuna award 2017 for his contribution to hockey?

A) S.V. Sunil	B) P.A. Rafel
C) Sardar Singh	D) Vikram Negi

Answer & Explanation Answer: A) S.V. Sunil

Explanation:

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Exam Prep: Bank Exams

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Q:

What are the four things needed to connect to the internet?

A) telephone line, modem, computer, and an ISP	B) modem, computer, PDA, and ISP
C) telephone line, modem, computer, and PDA	D) computer, ISP, modem, and communication software

Answer & Explanation Answer: D) computer, ISP, modem, and communication software

Explanation:

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Filed Under: Computer
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Job Role: Bank PO

106 17705

Q:

The implementation of Jawahar Rojgar Yojana rests with

A) Gram Panchayat	B) District Collector
C) State Government	D) Union Government

Answer & Explanation Answer: A) Gram Panchayat

Explanation:

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Filed Under: Indian Economy

29 17700

Q:

Where did MS Dhoni make his ODI debut ?

A) Chiittagong	B) Dhaka
C) Hyderabad	D) Vishakhapatnam

Answer & Explanation Answer: A) Chiittagong

Explanation:

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Filed Under: Sports

92 17694

Q:

Rock cut architecture in Harappan culture context has been found at

A) Kalibangan	B) Dholavira
C) Kotdiji	D) Amri

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