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.

Report Error

View Answer Report Error Discuss

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

40 17775

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:

Report Error

View Answer Report Error Discuss

Filed Under: Indian Economy

33 17757

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:

Report Error

View Answer Report Error Discuss

Filed Under: General Science

94 17747

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:

Report Error

View Answer Report Error Discuss

Filed Under: Computer
Exam Prep: Bank Exams
Job Role: Bank PO

106 17695

Q:

Where did MS Dhoni make his ODI debut ?

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

Answer & Explanation Answer: A) Chiittagong

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Sports

92 17683

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:

Report Error

View Answer Report Error Discuss

Filed Under: Indian Economy

29 17675

Q:

Which batsman started his international cricketing career at the age of 16

A) Suresh Raina	B) Sachin Tendulkar
C) Piyush Chawla	D) Rahul Dravid

Answer & Explanation Answer: B) Sachin Tendulkar

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Sports

57 17660

Q:

Who of the following is NOT related to ghazal singing?

A) Begum Akhtar	B) Malika Pukhraj
C) Penaz Masani	D) Haribhai Varadkar

Questions

Quick Links